In St. Clair there are 9 residential internet providers covering 99.96% of the city. The average home can get speeds up to 1,182 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
9 Internet Service Providers in St. Clair
Data updated 11/14/2025, based on FCC data from 12/31/2024. This is the most current data available as of .
To avoid wasting your time, providers with less than 1% coverage in St. Clair are not shown.
St. Clair 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
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.
Please note some providers will take longer to load than others
Internet service is available in 99.96% of St. Clair. 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 XFINITY. Now you can call companies in St. Clair with more confidence that they might be available.
How fast are internet speeds in St. Clair?
The map below shows maximum internet speeds by area in St. Clair.
Internet Speed Key
The average St. Clair home can get up to 1,182 Mbps on their internet plan. For most people, the fastest download speed in the city is 2,000 Mbps, which less than 1% 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 25 Mbps. See the internet provider details below for info about their speed and coverage in St. Clair.
Internet speeds tend to be faster in the northeast parts of St. Clair, and slower in the west areas of the city.
What type of internet should I choose in St. Clair?
The fastest internet for you may vary based on where in St. Clair you live. If speed is your main concern, cable will be the fastest internet in the city.
- Fiber is the fastest internet type for 11.44% of St. Clair homes.
- Cable is fastest for 88.29% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for less than 1%.
- Satellite internet may be the only option for less than 1% of St. Clair homes.
Internet Market Health in St. Clair
Internet Competition Key
The map shows how competitive the St. Clair 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 based on what connections the average home has availabile:
- Average number of internet service providers to a home: 4.2 (unhealthy)
- Average types of service (fiber, cable, DSL, etc): 3.0 (very healthy)
- Average providers with broadband (25 Mbps+) speeds: 3.7 (unhealthy)
Overall, competition is healthy.
St. Clair internet customers have the ability to buy internet service from 1 to 8 different providers, depending on where they live. For different types of service, St. Clair 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 city.
When it comes to broadband download speeds faster than 25 Mbps, the situation is worse. St. Clair internet customers who want faster speeds have between 1 and 8 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 is doing better than most.
TV & Internet Providers in Depth
Below you'll find which TV and internet providers offer service in St. Clair, along with details on where in St. Clair and at what speeds.
XFINITY from Comcast Cable in St. Clair, MI
XFINITY cable coverage
About 89.75%, or 10,218 people, have XFINITY cable internet available to them in the city. The company covers the entire St. Clair area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in most of St. Clair.
XFINITY from Comcast cable download speeds
XFINITY is the fastest when comparing download speeds to all other internet providers in St. Clair. Versus other cable providers in the area, XFINITY cable is the fastest. There are 2 different maximum speeds throughout St. Clair. The fastest plan anyone in St. Clair can order from XFINITY goes up to 2,000 Mbps, the slowest package only goes up to 1,200 Mbps, and the city-wide average maximum speed for St. Clair customers is up to 1,204 Mbps.
Show all download speeds
- 0.5% up to 2,000.0 Mbps
- 99.5% up to 1,200.0 Mbps
XFINITY from Comcast cable upload speeds
In St. Clair download speeds tend to be faster than than upload speeds for XFINITY cable. Compared to other ISPs, XFINITY is below average where upload speeds are concerned, and the fastest compared to other St. Clair cable providers. XFINITY offers 2 different upload speeds across the city, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in St. Clair is up to 250 Mbps. Some customers have slower plan choices, which only go up to 35 Mbps. On average, XFINITY customers can get speeds up to 36 Mbps.
Show all upload speeds
- 0.5% up to 250.0 Mbps
- 99.5% up to 35.0 Mbps
AT&T DSL in St. Clair, MI
AT&T DSL coverage
About 81.17%, or 9,241 people, have AT&T DSL internet available to them in the city. The company covers the entire St. Clair 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.
AT&T DSL download speeds
AT&T is below average when comparing download speeds to all other internet providers in St. Clair. Versus other DSL providers in the area, AT&T DSL is one of the fastest. There are 5 different maximum speeds throughout St. Clair. The fastest plan anyone in St. Clair can order from AT&T goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for St. Clair customers is up to 46 Mbps.
Show all download speeds
- 22.2% up to 100.0 Mbps
- 4.3% up to 75.0 Mbps
- 27.1% up to 50.0 Mbps
- 16.3% up to 25.0 Mbps
- 30.2% up to 10.0 Mbps
AT&T DSL upload speeds
In St. Clair 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 one of the fastest compared to other St. Clair DSL providers. AT&T offers 4 different upload speeds across the city, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in St. Clair 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 9.1 Mbps.
Show all upload speeds
- 26.4% up to 20.0 Mbps
- 27.1% up to 10.0 Mbps
- 16.3% up to 5.0 Mbps
- 30.2% up to 1.0 Mbps
EarthLink DSL in St. Clair, MI
EarthLink DSL coverage
About 81.17%, or 9,241 people, have EarthLink DSL internet available to them in the city. The company covers the entire St. Clair 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.
EarthLink DSL download speeds
EarthLink is below average when comparing download speeds to all other internet providers in St. Clair. Versus other DSL providers in the area, EarthLink DSL is one of the fastest. There are 5 different maximum speeds throughout St. Clair. The fastest plan anyone in St. Clair can order from EarthLink goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for St. Clair customers is up to 46 Mbps.
Show all download speeds
- 22.2% up to 100.0 Mbps
- 4.3% up to 75.0 Mbps
- 27.1% up to 50.0 Mbps
- 16.3% up to 25.0 Mbps
- 30.2% up to 10.0 Mbps
EarthLink DSL upload speeds
In St. Clair 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 one of the fastest compared to other St. Clair DSL providers. EarthLink offers 4 different upload speeds across the city, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in St. Clair 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 9.1 Mbps.
Show all upload speeds
- 26.4% up to 20.0 Mbps
- 27.1% up to 10.0 Mbps
- 16.3% up to 5.0 Mbps
- 30.2% up to 1.0 Mbps
Duke Broadband Fiber in St. Clair, MI
Duke Broadband fiber coverage
About 27.65%, or 3,148 people, have Duke Broadband fiber internet available to them in the city. The company covers the entire St. Clair area. Duke Broadband is a small internet service provider internet service providers in the US, with internet service available in a small portion of St. Clair.
Duke Broadband fiber download speeds
Duke Broadband is above average when comparing download speeds to all other internet providers in St. Clair. Versus other fiber providers in the area, Duke Broadband fiber is the slowest. There are no different maximum speeds throughout St. Clair. The fastest plan anyone in St. Clair can order from Duke Broadband goes up to 1,000 Mbps, and all St. Clair customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Duke Broadband fiber upload speeds
In St. Clair download speeds tend to be faster than than upload speeds for Duke Broadband fiber. Compared to other ISPs, Duke Broadband is below average where upload speeds are concerned, and the slowest compared to other St. Clair fiber providers. Duke Broadband offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in St. Clair is up to 100 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 100.0 Mbps
XFINITY from Comcast Fiber in St. Clair, MI
XFINITY fiber coverage
About 14.48%, or 1,648 people, have XFINITY fiber internet available to them in the city. The company covers the northwest, north, central, and west St. Clair area. XFINITY 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.
XFINITY from Comcast fiber download speeds
XFINITY is above average when comparing download speeds to all other internet providers in St. Clair. Versus other fiber providers in the area, XFINITY fiber is the fastest. There are 2 different maximum speeds throughout St. Clair. The fastest plan anyone in St. Clair can order from XFINITY goes up to 1,200 Mbps, the slowest package only goes up to 1,000 Mbps, and the city-wide average maximum speed for St. Clair customers is up to 1,031 Mbps.
Show all download speeds
- 15.7% up to 1,200.0 Mbps
- 84.3% up to 1,000.0 Mbps
XFINITY from Comcast fiber upload speeds
In St. Clair download speeds tend to be faster than than upload speeds for XFINITY fiber. Compared to other ISPs, XFINITY is the fastest where upload speeds are concerned, and the fastest compared to other St. Clair fiber providers. XFINITY offers 2 different upload speeds across the city, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in St. Clair is up to 1,000 Mbps. Some customers have slower plan choices, which only go up to 35 Mbps. On average, XFINITY customers can get speeds up to 994 Mbps.
Show all upload speeds
- 99.3% up to 1,000.0 Mbps
- 0.7% up to 35.0 Mbps
Frontier Communications DSL in St. Clair, MI
Frontier DSL coverage
About 3.32%, or 378 people, have Frontier DSL internet available to them in the city. The company covers the northwest St. Clair 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.
Frontier Communications DSL download speeds
Frontier is the slowest when comparing download speeds to all other internet providers in St. Clair. Versus other DSL providers in the area, Frontier DSL is the slowest. There are 4 different maximum speeds throughout St. Clair. The fastest plan anyone in St. Clair can order from Frontier goes up to 115 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for St. Clair customers is up to 35 Mbps.
Show all download speeds
- 13.0% up to 115.0 Mbps
- 6.6% up to 70.0 Mbps
- 22.0% up to 45.0 Mbps
- 58.5% up to 10.0 Mbps
Frontier Communications DSL upload speeds
In St. Clair 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 DSL providers. Frontier offers 3 different upload speeds across the city, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in St. Clair 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 2.3 Mbps.
Show all upload speeds
- 13.0% up to 7.0 Mbps
- 28.6% up to 3.0 Mbps
- 58.5% up to 1.0 Mbps
T-Mobile Home Internet Fixed Wireless in St. Clair, MI
T-Mobile Home Internet fixed wireless coverage
About 99.50%, or 11,328 people, have T-Mobile Home Internet fixed wireless internet available to them in the city. The company covers the entire St. Clair 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.
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. 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. The fastest plan anyone in St. Clair can order from T-Mobile Home Internet goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the city-wide average maximum speed for St. Clair customers is up to 80 Mbps.
Show all download speeds
- 73.3% up to 100.0 Mbps
- 26.7% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In St. Clair 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 fixed wireless providers. T-Mobile Home Internet offers 2 different upload speeds across the city, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in St. Clair 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 15 Mbps.
Show all upload speeds
- 73.3% up to 20.0 Mbps
- 26.7% up to 3.0 Mbps
Verizon Fixed Wireless in St. Clair, MI
Verizon fixed wireless coverage
About 15.15%, or 1,725 people, have Verizon fixed wireless internet available to them in the city. The company covers the northwest, central, south, north, and southwest St. Clair area. Verizon 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.
Verizon fixed wireless download speeds
Verizon is below average when comparing download speeds to all other internet providers in St. Clair. Versus other fixed wireless providers in the area, Verizon fixed wireless is the fastest. There are no different maximum speeds throughout St. Clair. The fastest plan anyone in St. Clair can order from Verizon goes up to 300 Mbps, and all St. Clair customers can get this speed.
Show all download speeds
- 100.0% up to 300.0 Mbps
Verizon fixed wireless upload speeds
In St. Clair 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 the fastest compared to other St. Clair fixed wireless providers. Verizon offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in St. Clair is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
EarthLink Fixed Wireless in St. Clair, MI
EarthLink fixed wireless coverage
About 5.80%, or 660 people, have EarthLink fixed wireless internet available to them in the city. The company covers the northwest, southeast, and north St. Clair area. EarthLink 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.
EarthLink fixed wireless download speeds
EarthLink is below average when comparing download speeds to all other internet providers in St. Clair. 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. The fastest plan anyone in St. Clair can order from EarthLink goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the city-wide average maximum speed for St. Clair customers is up to 63 Mbps.
Show all download speeds
- 50.5% up to 100.0 Mbps
- 49.5% up to 25.0 Mbps
EarthLink fixed wireless upload speeds
In St. Clair 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 fixed wireless providers. EarthLink offers 2 different upload speeds across the city, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in St. Clair 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 12 Mbps.
Show all upload speeds
- 50.5% up to 20.0 Mbps
- 49.5% up to 3.0 Mbps
AT&T Fixed Wireless in St. Clair, MI
AT&T fixed wireless coverage
About 5.80%, or 660 people, have AT&T fixed wireless internet available to them in the city. The company covers the northwest, southeast, and north St. Clair area. AT&T 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.
AT&T fixed wireless download speeds
AT&T is below average when comparing download speeds to all other internet providers in St. Clair. 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. The fastest plan anyone in St. Clair can order from AT&T goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the city-wide average maximum speed for St. Clair customers is up to 63 Mbps.
Show all download speeds
- 50.5% up to 100.0 Mbps
- 49.5% up to 25.0 Mbps
AT&T fixed wireless upload speeds
In St. Clair 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 fixed wireless providers. AT&T offers 2 different upload speeds across the city, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in St. Clair 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 12 Mbps.
Show all upload speeds
- 50.5% up to 20.0 Mbps
- 49.5% up to 3.0 Mbps
St. Clair Internet by Area
This information is most helpful to those looking for homes or considering moving to St. Clair or any of the areas nearby.
How does internet in St. Clair compare to the rest of Michigan?
Internet speeds in St. Clair are slower versus the average speeds in Michigan: 2,523 Mbps in Michigan versus 1,182 Mbps in the city. The state has similar internet availability compared to the city. Average internet coverage in Michigan is 98.94% versus 99.96% in St. Clair.
What zip codes have widespread internet?
Internet coverage varies by zip code and neighborhood. Some examples in or around St. Clair 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 cities?
Below are cities nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Cities
- East China, MI: less internet coverage, faster speeds
- Marysville, MI: more internet coverage, faster speeds
- Rattle Run, MI: more internet coverage, faster speeds
- Four Towns, MI: more internet coverage, faster speeds
- Anchorville, MI: more internet coverage, faster speeds
- Smiths Creek, MI: less internet coverage, faster speeds
- Columbus, MI: less internet coverage, slower speeds
- Mount Vernon, MI: more internet coverage, slower speeds
- Marine City, MI: less internet coverage, faster speeds
- Peters, MI: more internet coverage, faster speeds
Cities with Similar Populations
- Bridge City, TX: less internet coverage, faster speeds
- Commerce, CA: less internet coverage, faster speeds
- Chipley, FL: less internet coverage, slower speeds
- Cheraw, SC: less internet coverage, faster speeds
- Charlton, MA: less internet coverage, slower speeds
- Cascades, VA: more internet coverage, faster speeds
- Burr Ridge, IL: less internet coverage, faster speeds
- Burkburnett, TX: less internet coverage, faster speeds
- Brownsville, TN: less internet coverage, slower speeds
- Brooklyn, OH: more internet coverage, faster speeds