In St. Clair County there are 14 residential internet providers covering 98.56% of the county. The average home can get speeds up to 3,422 Mbps. Note that we may have a financial relationship with some of the providers below. This does not influence rankings, and helps us provide high-quality detailed information for free.
Jump to Availability Maps
14 Internet Service Providers in St. Clair County
Satellite TV and internet are available everywhere in St. Clair County.
No internet provider of this type serves St. Clair County.
This page reflects the most recent FCC update from September 03, 2026, based on the Broadband Data Collection as of December 31, 2025.
To avoid wasting your time, providers with less than 1% coverage in St. Clair County are not shown.
St. Clair County Satellite TV & Internet Providers
DISH Satellite TV
DIRECTV Satellite TV
Not sure whether to choose Dish or DIRECTV? For most people most of the time we recommend DISH. But click here to learn more.
Viasat Satellite Internet
Availability maps for all providers in St. Clair County
Using the dropdown below, please select a provider. Green indicates nearly all homes have service, red indicates few homes have service, and blank indicates no service.
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Internet service is available in 98.56% of St. Clair County. Using our interactive availability map, you can compare service areas for different providers, we include fiber, cable, DSL, or fixed wireless internet service for all providers who offer it. You will notice that some providers might be listed multiple times for each service. If you find no providers cover the location you’re looking at, you can opt for satellite service. The most widely available provider is i3 Broadband. Now you can call companies in St. Clair County with more confidence that they might be available.
How fast are internet speeds in St. Clair County?
The map below shows maximum internet speeds by area in St. Clair County.
1000 Mbps+
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The average St. Clair County home can get up to 3,422 Mbps on their internet plan. For most people, the fastest download speed in the county is 8,000 Mbps, which 19.69% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, less than 1% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in St. Clair County.
Internet speeds tend to be faster in the east parts of St. Clair County, and slower in the southwest areas of the county.
What type of internet should I choose in St. Clair County?
The fastest internet for you may vary based on where in St. Clair County you live. If speed is your main concern, fiber will be the fastest internet in the county.
- Fiber is the fastest internet type for 49.10% of St. Clair County homes.
- Cable is fastest for 45.24% of the county.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 3.64%.
- Satellite internet may be the only option for 1.44% of St. Clair County homes.
Internet Market Health in St. Clair County
4+ options
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The map shows how competitive the St. Clair County internet service market is. Areas in green have more alternatives, areas in yellow have a few choices, and areas in red may have only one provider. More competition usually means faster speeds and better prices for you, the customer.
Below are quick facts on internet competition and market health in St. Clair County based on what connections the average home has availabile:
- Average number of internet service providers to a home: 7.2 (very healthy)
- Average types of service (fiber, cable, DSL, etc): 3.2 (very healthy)
- Average providers with broadband (25 Mbps+) speeds: 6.8 (very healthy)
Overall, competition is very healthy.
St. Clair County internet customers have the ability to buy internet service from 1 to 13 different providers, depending on where they live. For different types of service, St. Clair County homes have between 1 and 4 options. The type(s) of service available are fixed wireless, cable, dsl, and fiber, though these may vary depending on the region within the county.
When it comes to broadband download speeds faster than 25 Mbps, the situation is worse. St. Clair County internet customers who want faster speeds have between 0 and 13 choices of companies offering speeds up to or over 25 Mbps.
More internet companies with faster speeds means fewer monopolies and better prices for customers. In promoting a free market for internet, St. Clair County is doing quite well.
TV & Internet Providers in Depth
Below you’ll find which TV and internet providers offer service in St. Clair County, along with details on where in St. Clair County and at what speeds.
Spectrum Cable in St. Clair County, IL
Spectrum cable coverage
About 89.10%, or 229,332 people, have Spectrum cable internet available to them in the county. The company covers the entire St. Clair County area. Spectrum is one of the largest internet service providers internet service providers in the US, with internet service available in most of St. Clair County.
Spectrum cable download speeds
Spectrum is below average when comparing download speeds to all other internet providers in St. Clair County. Versus other cable providers in the area, Spectrum cable is one of the fastest. There are no different maximum speeds throughout St. Clair County. The fastest plan anyone in St. Clair County can order from Spectrum goes up to 1,000 Mbps, and all St. Clair County customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spectrum cable upload speeds
In St. Clair County download speeds tend to be faster than than upload speeds for Spectrum cable. Compared to other ISPs, Spectrum is below average where upload speeds are concerned, and the fastest compared to other St. Clair County cable providers. Spectrum offers 2 different upload speeds across the county, so your internet plan’s upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in St. Clair County is up to 1,000 Mbps. Some customers have slower plan choices, which only go up to 35 Mbps. On average, Spectrum customers can get speeds up to 1,000 Mbps.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
- 0.0% up to 35.0 Mbps
AT&T DSL in St. Clair County, IL
AT&T DSL coverage
About 71.98%, or 185,265 people, have AT&T DSL internet available to them in the county. The company covers the entire St. Clair County area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in much of St. Clair County.
AT&T DSL download speeds
AT&T is below average when comparing download speeds to all other internet providers in St. Clair County. Versus other DSL providers in the area, AT&T DSL is average. There are 5 different maximum speeds throughout St. Clair County. The fastest plan anyone in St. Clair County can order from AT&T goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for St. Clair County customers is up to 66 Mbps.
Show all download speeds
- 46.8% up to 100.0 Mbps
- 10.6% up to 75.0 Mbps
- 16.4% up to 50.0 Mbps
- 4.8% up to 25.0 Mbps
- 21.3% up to 10.0 Mbps
AT&T DSL upload speeds
In St. Clair County download speeds tend to be faster than than upload speeds for AT&T DSL. Compared to other ISPs, AT&T is below average where upload speeds are concerned, and above average compared to other St. Clair County DSL providers. AT&T offers 4 different upload speeds across the county, so your internet plan’s upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in St. Clair County is up to 20 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, AT&T customers can get speeds up to 14 Mbps.
Show all upload speeds
- 57.4% up to 20.0 Mbps
- 16.4% up to 10.0 Mbps
- 4.8% up to 5.0 Mbps
- 21.3% up to 1.0 Mbps
EarthLink DSL in St. Clair County, IL
EarthLink DSL coverage
About 71.98%, or 185,265 people, have EarthLink DSL internet available to them in the county. The company covers the entire St. Clair County area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in much of St. Clair County.
EarthLink DSL download speeds
EarthLink is below average when comparing download speeds to all other internet providers in St. Clair County. Versus other DSL providers in the area, EarthLink DSL is average. There are 5 different maximum speeds throughout St. Clair County. The fastest plan anyone in St. Clair County can order from EarthLink goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for St. Clair County customers is up to 66 Mbps.
Show all download speeds
- 46.8% up to 100.0 Mbps
- 10.6% up to 75.0 Mbps
- 16.4% up to 50.0 Mbps
- 4.8% up to 25.0 Mbps
- 21.3% up to 10.0 Mbps
EarthLink DSL upload speeds
In St. Clair County download speeds tend to be faster than than upload speeds for EarthLink DSL. Compared to other ISPs, EarthLink is below average where upload speeds are concerned, and above average compared to other St. Clair County DSL providers. EarthLink offers 4 different upload speeds across the county, so your internet plan’s upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in St. Clair County is up to 20 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, EarthLink customers can get speeds up to 14 Mbps.
Show all upload speeds
- 57.4% up to 20.0 Mbps
- 16.4% up to 10.0 Mbps
- 4.8% up to 5.0 Mbps
- 21.3% up to 1.0 Mbps
EarthLink Fiber in St. Clair County, IL
EarthLink fiber coverage
About 19.97%, or 51,398 people, have EarthLink fiber internet available to them in the county. The company covers the central, north, south, east, northeast, northwest, west, and southeast St. Clair County area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of St. Clair County.
EarthLink fiber download speeds
EarthLink is above average when comparing download speeds to all other internet providers in St. Clair County. Versus other fiber providers in the area, EarthLink fiber is above average. There are 2 different maximum speeds throughout St. Clair County. The fastest plan anyone in St. Clair County can order from EarthLink goes up to 5,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the county-wide average maximum speed for St. Clair County customers is up to 3,653 Mbps.
Show all download speeds
- 66.3% up to 5,000.0 Mbps
- 33.7% up to 1,000.0 Mbps
EarthLink fiber upload speeds
In St. Clair County download speeds tend to be equal to than upload speeds for EarthLink fiber. Compared to other ISPs, EarthLink is above average where upload speeds are concerned, and above average compared to other St. Clair County fiber providers. EarthLink offers 2 different upload speeds across the county, so your internet plan’s upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in St. Clair County is up to 5,000 Mbps. Some customers have slower plan choices, which only go up to 1,000 Mbps. On average, EarthLink customers can get speeds up to 3,653 Mbps.
Show all upload speeds
- 66.3% up to 5,000.0 Mbps
- 33.7% up to 1,000.0 Mbps
AT&T Fiber in St. Clair County, IL
AT&T fiber coverage
About 19.97%, or 51,398 people, have AT&T fiber internet available to them in the county. The company covers the central, north, south, east, northeast, northwest, west, and southeast St. Clair County area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of St. Clair County.
AT&T fiber download speeds
AT&T is above average when comparing download speeds to all other internet providers in St. Clair County. Versus other fiber providers in the area, AT&T fiber is above average. There are 2 different maximum speeds throughout St. Clair County. The fastest plan anyone in St. Clair County can order from AT&T goes up to 5,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the county-wide average maximum speed for St. Clair County customers is up to 3,653 Mbps.
Show all download speeds
- 66.3% up to 5,000.0 Mbps
- 33.7% up to 1,000.0 Mbps
AT&T fiber upload speeds
In St. Clair County download speeds tend to be equal to than upload speeds for AT&T fiber. Compared to other ISPs, AT&T is above average where upload speeds are concerned, and above average compared to other St. Clair County fiber providers. AT&T offers 2 different upload speeds across the county, so your internet plan’s upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in St. Clair County is up to 5,000 Mbps. Some customers have slower plan choices, which only go up to 1,000 Mbps. On average, AT&T customers can get speeds up to 3,653 Mbps.
Show all upload speeds
- 66.3% up to 5,000.0 Mbps
- 33.7% up to 1,000.0 Mbps
i3 Broadband Fiber in St. Clair County, IL
i3 Broadband fiber coverage
About 19.69%, or 50,688 people, have i3 Broadband fiber internet available to them in the county. The company covers the central, east, north, northeast, south, southeast, and northwest St. Clair County area. i3 Broadband is a large internet service provider internet service providers in the US, with internet service available in a small portion of St. Clair County.
i3 Broadband fiber download speeds
i3 Broadband is the fastest when comparing download speeds to all other internet providers in St. Clair County. Versus other fiber providers in the area, i3 Broadband fiber is the fastest. There are no different maximum speeds throughout St. Clair County. The fastest plan anyone in St. Clair County can order from i3 Broadband goes up to 8,000 Mbps, and all St. Clair County customers can get this speed.
Show all download speeds
- 100.0% up to 8,000.0 Mbps
i3 Broadband fiber upload speeds
In St. Clair County download speeds tend to be equal to than upload speeds for i3 Broadband fiber. Compared to other ISPs, i3 Broadband is the fastest where upload speeds are concerned, and the fastest compared to other St. Clair County fiber providers. i3 Broadband offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in St. Clair County is up to 8,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 8,000.0 Mbps
Sparklight Fiber in St. Clair County, IL
Sparklight fiber coverage
About 11.03%, or 28,383 people, have Sparklight fiber internet available to them in the county. The company covers the entire St. Clair County area. Sparklight is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of St. Clair County.
Sparklight fiber download speeds
Sparklight is above average when comparing download speeds to all other internet providers in St. Clair County. Versus other fiber providers in the area, Sparklight fiber is above average. There are no different maximum speeds throughout St. Clair County. The fastest plan anyone in St. Clair County can order from Sparklight goes up to 7,000 Mbps, and all St. Clair County customers can get this speed.
Show all download speeds
- 100.0% up to 7,000.0 Mbps
Sparklight fiber upload speeds
In St. Clair County download speeds tend to be equal to than upload speeds for Sparklight fiber. Compared to other ISPs, Sparklight is above average where upload speeds are concerned, and above average compared to other St. Clair County fiber providers. Sparklight offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in St. Clair County is up to 7,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 7,000.0 Mbps
Frontier Communications DSL in St. Clair County, IL
Frontier DSL coverage
About 4.88%, or 12,555 people, have Frontier DSL internet available to them in the county. The company covers the southeast, southwest, south, west, northeast, and east St. Clair County area. Frontier is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of St. Clair County.
Frontier Communications DSL download speeds
Frontier is the slowest when comparing download speeds to all other internet providers in St. Clair County. Versus other DSL providers in the area, Frontier DSL is the slowest. There are 5 different maximum speeds throughout St. Clair County. The fastest plan anyone in St. Clair County can order from Frontier goes up to 115 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for St. Clair County customers is up to 28 Mbps.
Show all download speeds
- 9.7% up to 115.0 Mbps
- 6.0% up to 90.0 Mbps
- 3.0% up to 70.0 Mbps
- 3.4% up to 45.0 Mbps
- 78.0% up to 10.0 Mbps
Frontier Communications DSL upload speeds
In St. Clair County download speeds tend to be faster than than upload speeds for Frontier DSL. Compared to other ISPs, Frontier is the slowest where upload speeds are concerned, and the slowest compared to other St. Clair County DSL providers. Frontier offers 4 different upload speeds across the county, so your internet plan’s upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in St. Clair County is up to 7.0 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Frontier customers can get speeds up to 1.9 Mbps.
Show all upload speeds
- 9.7% up to 7.0 Mbps
- 6.0% up to 5.0 Mbps
- 6.3% up to 3.0 Mbps
- 78.0% up to 1.0 Mbps
Spectrum Fiber in St. Clair County, IL
Spectrum fiber coverage
About 4.32%, or 11,121 people, have Spectrum fiber internet available to them in the county. The company covers the entire St. Clair County area. Spectrum is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of St. Clair County.
Spectrum fiber download speeds
Spectrum is below average when comparing download speeds to all other internet providers in St. Clair County. Versus other fiber providers in the area, Spectrum fiber is one of the slowest. There are no different maximum speeds throughout St. Clair County. The fastest plan anyone in St. Clair County can order from Spectrum goes up to 1,000 Mbps, and all St. Clair County customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spectrum fiber upload speeds
In St. Clair County download speeds tend to be faster than than upload speeds for Spectrum fiber. Compared to other ISPs, Spectrum is below average where upload speeds are concerned, and the slowest compared to other St. Clair County fiber providers. Spectrum offers 2 different upload speeds across the county, so your internet plan’s upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in St. Clair County is up to 1,000 Mbps. Some customers have slower plan choices, which only go up to 500 Mbps. On average, Spectrum customers can get speeds up to 996 Mbps.
Show all upload speeds
- 99.2% up to 1,000.0 Mbps
- 0.8% up to 500.0 Mbps
Frontier Communications Fiber in St. Clair County, IL
Frontier fiber coverage
About 4.04%, or 10,387 people, have Frontier fiber internet available to them in the county. The company covers the southeast, west, and east St. Clair County area. Frontier is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of St. Clair County.
Frontier Communications fiber download speeds
Frontier is above average when comparing download speeds to all other internet providers in St. Clair County. Versus other fiber providers in the area, Frontier fiber is above average. There are 3 different maximum speeds throughout St. Clair County. The fastest plan anyone in St. Clair County can order from Frontier goes up to 7,000 Mbps, the slowest package only goes up to 2,000 Mbps, and the county-wide average maximum speed for St. Clair County customers is up to 5,343 Mbps.
Show all download speeds
- 18.3% up to 7,000.0 Mbps
- 80.9% up to 5,000.0 Mbps
- 0.8% up to 2,000.0 Mbps
Frontier Communications fiber upload speeds
In St. Clair County download speeds tend to be equal to than upload speeds for Frontier fiber. Compared to other ISPs, Frontier is above average where upload speeds are concerned, and above average compared to other St. Clair County fiber providers. Frontier offers 3 different upload speeds across the county, so your internet plan’s upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in St. Clair County is up to 7,000 Mbps. Some customers have slower plan choices, which only go up to 2,000 Mbps. On average, Frontier customers can get speeds up to 5,343 Mbps.
Show all upload speeds
- 18.3% up to 7,000.0 Mbps
- 80.9% up to 5,000.0 Mbps
- 0.8% up to 2,000.0 Mbps
Harrisonville Telephone Company DSL in St. Clair County, IL
HTC DSL coverage
About 2.62%, or 6,745 people, have HTC DSL internet available to them in the county. The company covers the west and southwest St. Clair County area. HTC is a large internet service provider internet service providers in the US, with internet service available in a very small piece of St. Clair County.
Harrisonville Telephone Company DSL download speeds
HTC is below average when comparing download speeds to all other internet providers in St. Clair County. Versus other DSL providers in the area, HTC DSL is the fastest. There are 4 different maximum speeds throughout St. Clair County. The fastest plan anyone in St. Clair County can order from HTC goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for St. Clair County customers is up to 87 Mbps.
Show all download speeds
- 75.5% up to 100.0 Mbps
- 19.9% up to 50.0 Mbps
- 3.1% up to 30.0 Mbps
- 1.5% up to 10.0 Mbps
Harrisonville Telephone Company DSL upload speeds
In St. Clair County download speeds tend to be faster than than upload speeds for HTC DSL. Compared to other ISPs, HTC is below average where upload speeds are concerned, and the fastest compared to other St. Clair County DSL providers. HTC offers 4 different upload speeds across the county, so your internet plan’s upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in St. Clair County is up to 20 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, HTC customers can get speeds up to 17 Mbps.
Show all upload speeds
- 75.5% up to 20.0 Mbps
- 19.9% up to 10.0 Mbps
- 3.1% up to 3.0 Mbps
- 1.5% up to 1.0 Mbps
Sparklight Cable in St. Clair County, IL
Sparklight cable coverage
About 1.91%, or 4,921 people, have Sparklight cable internet available to them in the county. The company covers the southeast and northeast St. Clair County area. Sparklight is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of St. Clair County.
Sparklight cable download speeds
Sparklight is below average when comparing download speeds to all other internet providers in St. Clair County. Versus other cable providers in the area, Sparklight cable is one of the fastest. There are no different maximum speeds throughout St. Clair County. The fastest plan anyone in St. Clair County can order from Sparklight goes up to 1,000 Mbps, and all St. Clair County customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Sparklight cable upload speeds
In St. Clair County download speeds tend to be faster than than upload speeds for Sparklight cable. Compared to other ISPs, Sparklight is below average where upload speeds are concerned, and one of the slowest compared to other St. Clair County cable providers. Sparklight offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in St. Clair County is up to 50 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 50.0 Mbps
Mediacom Cable in St. Clair County, IL
Mediacom cable coverage
About 1.75%, or 4,494 people, have Mediacom cable internet available to them in the county. The company covers the south St. Clair County area. Mediacom is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of St. Clair County.
Mediacom cable download speeds
Mediacom is below average when comparing download speeds to all other internet providers in St. Clair County. Versus other cable providers in the area, Mediacom cable is one of the fastest. There are no different maximum speeds throughout St. Clair County. The fastest plan anyone in St. Clair County can order from Mediacom goes up to 1,000 Mbps, and all St. Clair County customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Mediacom cable upload speeds
In St. Clair County download speeds tend to be faster than than upload speeds for Mediacom cable. Compared to other ISPs, Mediacom is below average where upload speeds are concerned, and one of the slowest compared to other St. Clair County cable providers. Mediacom offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in St. Clair County is up to 50 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 50.0 Mbps
T-Mobile Home Internet Fixed Wireless in St. Clair County, IL
T-Mobile Home Internet fixed wireless coverage
About 94.97%, or 244,458 people, have T-Mobile Home Internet fixed wireless internet available to them in the county. The company covers the entire St. Clair County area. T-Mobile Home Internet is one of the largest internet service providers internet service providers in the US, with internet service available in most of St. Clair County.
T-Mobile Home Internet fixed wireless download speeds
T-Mobile Home Internet is below average when comparing download speeds to all other internet providers in St. Clair County. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is below average. There are 2 different maximum speeds throughout St. Clair County. The fastest plan anyone in St. Clair County can order from T-Mobile Home Internet goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the county-wide average maximum speed for St. Clair County customers is up to 65 Mbps.
Show all download speeds
- 53.2% up to 100.0 Mbps
- 46.8% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In St. Clair County download speeds tend to be faster than than upload speeds for T-Mobile Home Internet fixed wireless. Compared to other ISPs, T-Mobile Home Internet is below average where upload speeds are concerned, and average compared to other St. Clair County fixed wireless providers. T-Mobile Home Internet offers 2 different upload speeds across the county, so your internet plan’s upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in St. Clair County is up to 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, T-Mobile Home Internet customers can get speeds up to 12 Mbps.
Show all upload speeds
- 53.2% up to 20.0 Mbps
- 46.8% up to 3.0 Mbps
Verizon Fixed Wireless in St. Clair County, IL
Verizon fixed wireless coverage
About 85.57%, or 220,249 people, have Verizon fixed wireless internet available to them in the county. The company covers the entire St. Clair County area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in most of St. Clair County.
Verizon fixed wireless download speeds
Verizon is below average when comparing download speeds to all other internet providers in St. Clair County. Versus other fixed wireless providers in the area, Verizon fixed wireless is the fastest. There are 2 different maximum speeds throughout St. Clair County. The fastest plan anyone in St. Clair County can order from Verizon goes up to 300 Mbps, the slowest package only goes up to 25 Mbps, and the county-wide average maximum speed for St. Clair County customers is up to 202 Mbps.
Show all download speeds
- 64.5% up to 300.0 Mbps
- 35.5% up to 25.0 Mbps
Verizon fixed wireless upload speeds
In St. Clair County download speeds tend to be faster than than upload speeds for Verizon fixed wireless. Compared to other ISPs, Verizon is below average where upload speeds are concerned, and above average compared to other St. Clair County fixed wireless providers. Verizon offers 2 different upload speeds across the county, so your internet plan’s upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in St. Clair County is up to 20 Mbps. Some customers have slower plan choices, which only go up to 6.0 Mbps. On average, Verizon customers can get speeds up to 15 Mbps.
Show all upload speeds
- 64.5% up to 20.0 Mbps
- 35.5% up to 6.0 Mbps
EarthLink Fixed Wireless in St. Clair County, IL
EarthLink fixed wireless coverage
About 74.51%, or 191,782 people, have EarthLink fixed wireless internet available to them in the county. The company covers the entire St. Clair County area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in much of St. Clair County.
EarthLink fixed wireless download speeds
EarthLink is below average when comparing download speeds to all other internet providers in St. Clair County. Versus other fixed wireless providers in the area, EarthLink fixed wireless is one of the slowest. There are 2 different maximum speeds throughout St. Clair County. The fastest plan anyone in St. Clair County can order from EarthLink goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the county-wide average maximum speed for St. Clair County customers is up to 40 Mbps.
Show all download speeds
- 20.2% up to 100.0 Mbps
- 79.8% up to 25.0 Mbps
EarthLink fixed wireless upload speeds
In St. Clair County download speeds tend to be faster than than upload speeds for EarthLink fixed wireless. Compared to other ISPs, EarthLink is below average where upload speeds are concerned, and one of the slowest compared to other St. Clair County fixed wireless providers. EarthLink offers 2 different upload speeds across the county, so your internet plan’s upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in St. Clair County is up to 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, EarthLink customers can get speeds up to 6.4 Mbps.
Show all upload speeds
- 20.2% up to 20.0 Mbps
- 79.8% up to 3.0 Mbps
AT&T Fixed Wireless in St. Clair County, IL
AT&T fixed wireless coverage
About 74.51%, or 191,782 people, have AT&T fixed wireless internet available to them in the county. The company covers the entire St. Clair County area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in much of St. Clair County.
AT&T fixed wireless download speeds
AT&T is below average when comparing download speeds to all other internet providers in St. Clair County. Versus other fixed wireless providers in the area, AT&T fixed wireless is one of the slowest. There are 2 different maximum speeds throughout St. Clair County. The fastest plan anyone in St. Clair County can order from AT&T goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the county-wide average maximum speed for St. Clair County customers is up to 40 Mbps.
Show all download speeds
- 20.2% up to 100.0 Mbps
- 79.8% up to 25.0 Mbps
AT&T fixed wireless upload speeds
In St. Clair County download speeds tend to be faster than than upload speeds for AT&T fixed wireless. Compared to other ISPs, AT&T is below average where upload speeds are concerned, and one of the slowest compared to other St. Clair County fixed wireless providers. AT&T offers 2 different upload speeds across the county, so your internet plan’s upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in St. Clair County is up to 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, AT&T customers can get speeds up to 6.4 Mbps.
Show all upload speeds
- 20.2% up to 20.0 Mbps
- 79.8% up to 3.0 Mbps
Wisper Internet Fixed Wireless in St. Clair County, IL
Wisper Internet fixed wireless coverage
About 50.64%, or 130,341 people, have Wisper Internet fixed wireless internet available to them in the county. The company covers the entire St. Clair County area. Wisper Internet is a large internet service provider internet service providers in the US, with internet service available in a majority of St. Clair County.
Wisper Internet fixed wireless download speeds
Wisper Internet is below average when comparing download speeds to all other internet providers in St. Clair County. Versus other fixed wireless providers in the area, Wisper Internet fixed wireless is above average. There are 6 different maximum speeds throughout St. Clair County. The fastest plan anyone in St. Clair County can order from Wisper Internet goes up to 800 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for St. Clair County customers is up to 193 Mbps.
Show all download speeds
- 3.5% up to 800.0 Mbps
- 30.3% up to 400.0 Mbps
- 32.8% up to 100.0 Mbps
- 10.2% up to 50.0 Mbps
- 22.0% up to 25.0 Mbps
- 1.2% up to 10.0 Mbps
Wisper Internet fixed wireless upload speeds
In St. Clair County download speeds tend to be faster than than upload speeds for Wisper Internet fixed wireless. Compared to other ISPs, Wisper Internet is below average where upload speeds are concerned, and the fastest compared to other St. Clair County fixed wireless providers. Wisper Internet offers 6 different upload speeds across the county, so your internet plan’s upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in St. Clair County is up to 250 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Wisper Internet customers can get speeds up to 26 Mbps.
Show all upload speeds
- 3.5% up to 250.0 Mbps
- 30.3% up to 30.0 Mbps
- 32.8% up to 20.0 Mbps
- 10.2% up to 5.0 Mbps
- 22.0% up to 3.0 Mbps
- 1.2% up to 1.0 Mbps
PCs for People Fixed Wireless in St. Clair County, IL
PCs for People fixed wireless coverage
About 3.54%, or 9,110 people, have PCs for People fixed wireless internet available to them in the county. The company covers the central, south, and east St. Clair County area. PCs for People is a large internet service provider internet service providers in the US, with internet service available in a very small piece of St. Clair County.
PCs for People fixed wireless download speeds
PCs for People is below average when comparing download speeds to all other internet providers in St. Clair County. Versus other fixed wireless providers in the area, PCs for People fixed wireless is below average. There are no different maximum speeds throughout St. Clair County. The fastest plan anyone in St. Clair County can order from PCs for People goes up to 50 Mbps, and all St. Clair County customers can get this speed.
Show all download speeds
- 100.0% up to 50.0 Mbps
PCs for People fixed wireless upload speeds
In St. Clair County download speeds tend to be faster than than upload speeds for PCs for People fixed wireless. Compared to other ISPs, PCs for People is below average where upload speeds are concerned, and below average compared to other St. Clair County fixed wireless providers. PCs for People offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in St. Clair County is up to 10 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 10.0 Mbps
St. Clair County Internet by Area
This information is most helpful to those looking for homes or considering moving to St. Clair County or any of the areas nearby.
How does internet in St. Clair County compare to the rest of Illinois?
Internet speeds in St. Clair County are faster versus the average speeds in Illinois: 3,187 Mbps in Illinois versus 3,422 Mbps in the county. The state has similar internet availability compared to the county. Average internet coverage in Illinois is 99.04% versus 98.56% in St. Clair County.
What zip codes have widespread internet?
Internet coverage varies by zip code and neighborhood. Some examples in or around St. Clair County are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does internet service look like in other counties?
Below are counties nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Counties
- St. Louis City, MO: less internet coverage, slower speeds
- St. Louis County, MO: more internet coverage, faster speeds
- Clinton County, IL: more internet coverage, slower speeds
- Marion County, IL: more internet coverage, slower speeds
- Franklin County, MO: more internet coverage, slower speeds
- Gasconade County, MO: more internet coverage, slower speeds
- Wayne County, IL: more internet coverage, slower speeds
- Osage County, MO: more internet coverage, slower speeds
- Edwards County, IL: more internet coverage, slower speeds
- Wabash County, IL: more internet coverage, faster speeds
Counties with Similar Populations
- Horry County, SC: more internet coverage, slower speeds
- Richmond County, GA: less internet coverage, slower speeds
- Richmond City, VA: less internet coverage, slower speeds
- Racine County, WI: more internet coverage, slower speeds
- Onslow County, NC: less internet coverage, slower speeds
- Okaloosa County, FL: less internet coverage, faster speeds
- Niagara County, NY: more internet coverage, slower speeds
- New Hanover County, NC: more internet coverage, faster speeds
- Muscogee County, GA: more internet coverage, faster speeds
- Leon County, FL: less internet coverage, faster speeds