In Clarendon Hills there are 8 residential internet providers covering 99.05% of the city. The average home can get speeds up to 3,720 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.
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8 Internet Service Providers in Clarendon Hills
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 Clarendon Hills are not shown.
Clarendon Hills 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 Clarendon Hills
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 99.05% of Clarendon Hills. 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 AT&T. Now you can call companies in Clarendon Hills with more confidence that they might be available.
How fast are internet speeds in Clarendon Hills?
The map below shows maximum internet speeds by area in Clarendon Hills.
Internet Speed Key
The average Clarendon Hills home can get up to 3,720 Mbps on their internet plan. For most people, the fastest download speed in the city is 7,000 Mbps, which 5.73% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 16.75% of homes can only purchase plans up to 1,200 Mbps. See the internet provider details below for info about their speed and coverage in Clarendon Hills.
Internet speeds tend to be faster in the north parts of Clarendon Hills, and slower in the southwest areas of the city.
What type of internet should I choose in Clarendon Hills?
The fastest internet for you may vary based on where in Clarendon Hills you live. If speed is your main concern, fiber will be the fastest internet in the city.
- Fiber is the fastest internet type for 57.42% of Clarendon Hills homes.
- Cable is fastest for 41.63% 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 Clarendon Hills homes.
Internet Market Health in Clarendon Hills
Internet Competition Key
The map shows how competitive the Clarendon Hills 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 Clarendon Hills based on what connections the average home has availabile:
- Average number of internet service providers to a home: 7.9 (very healthy)
- Average types of service (fiber, cable, DSL, etc): 3.5 (very healthy)
- Average providers with broadband (25 Mbps+) speeds: 7.9 (very healthy)
Overall, competition is very healthy.
Clarendon Hills internet customers have the ability to buy internet service from 3 to 10 different providers, depending on where they live. For different types of service, Clarendon Hills homes have between 2 and 4 options. The type(s) of service available are cable, fixed wireless, 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 similar. Clarendon Hills internet customers who want faster speeds have between 3 and 10 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, Clarendon Hills is doing quite well.
TV & Internet Providers in Depth
Below you'll find which TV and internet providers offer service in Clarendon Hills, along with details on where in Clarendon Hills and at what speeds.
XFINITY from Comcast Cable in Clarendon Hills, IL
XFINITY cable coverage
About 99.05%, or 10,571 people, have XFINITY cable internet available to them in the city. The company covers the entire Clarendon Hills area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in most of Clarendon Hills.
XFINITY from Comcast cable download speeds
XFINITY is below average when comparing download speeds to all other internet providers in Clarendon Hills. Versus other cable providers in the area, XFINITY cable is the fastest. There are 2 different maximum speeds throughout Clarendon Hills. The fastest plan anyone in Clarendon Hills 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 Clarendon Hills customers is up to 1,548 Mbps.
Show all download speeds
- 43.5% up to 2,000.0 Mbps
- 56.5% up to 1,200.0 Mbps
XFINITY from Comcast cable upload speeds
In Clarendon Hills 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 Clarendon Hills 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 Clarendon Hills 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 129 Mbps.
Show all upload speeds
- 43.5% up to 250.0 Mbps
- 56.5% up to 35.0 Mbps
AT&T DSL in Clarendon Hills, IL
AT&T DSL coverage
About 95.19%, or 10,159 people, have AT&T DSL internet available to them in the city. The company covers the entire Clarendon Hills area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in most of Clarendon Hills.
AT&T DSL download speeds
AT&T is below average when comparing download speeds to all other internet providers in Clarendon Hills. Versus other DSL providers in the area, AT&T DSL is one of the fastest. There are 4 different maximum speeds throughout Clarendon Hills. The fastest plan anyone in Clarendon Hills 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 Clarendon Hills customers is up to 77 Mbps.
Show all download speeds
- 45.9% up to 100.0 Mbps
- 19.3% up to 75.0 Mbps
- 32.1% up to 50.0 Mbps
- 2.7% up to 25.0 Mbps
AT&T DSL upload speeds
In Clarendon Hills 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 Clarendon Hills DSL providers. AT&T 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 Clarendon Hills is up to 20 Mbps. Some customers have slower plan choices, which only go up to 5.0 Mbps. On average, AT&T customers can get speeds up to 16 Mbps.
Show all upload speeds
- 65.2% up to 20.0 Mbps
- 32.1% up to 10.0 Mbps
- 2.7% up to 5.0 Mbps
EarthLink DSL in Clarendon Hills, IL
EarthLink DSL coverage
About 95.19%, or 10,159 people, have EarthLink DSL internet available to them in the city. The company covers the entire Clarendon Hills area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in most of Clarendon Hills.
EarthLink DSL download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Clarendon Hills. Versus other DSL providers in the area, EarthLink DSL is one of the fastest. There are 4 different maximum speeds throughout Clarendon Hills. The fastest plan anyone in Clarendon Hills 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 Clarendon Hills customers is up to 77 Mbps.
Show all download speeds
- 45.9% up to 100.0 Mbps
- 19.3% up to 75.0 Mbps
- 32.1% up to 50.0 Mbps
- 2.7% up to 25.0 Mbps
EarthLink DSL upload speeds
In Clarendon Hills 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 Clarendon Hills DSL providers. EarthLink 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 Clarendon Hills is up to 20 Mbps. Some customers have slower plan choices, which only go up to 5.0 Mbps. On average, EarthLink customers can get speeds up to 16 Mbps.
Show all upload speeds
- 65.2% up to 20.0 Mbps
- 32.1% up to 10.0 Mbps
- 2.7% up to 5.0 Mbps
EarthLink Fiber in Clarendon Hills, IL
EarthLink fiber coverage
About 55.46%, or 5,919 people, have EarthLink fiber internet available to them in the city. The company covers the northwest, northeast, central, north, west, east, and southeast Clarendon Hills area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of Clarendon Hills.
EarthLink fiber download speeds
EarthLink is above average when comparing download speeds to all other internet providers in Clarendon Hills. Versus other fiber providers in the area, EarthLink fiber is one of the slowest. There are no different maximum speeds throughout Clarendon Hills. The fastest plan anyone in Clarendon Hills can order from EarthLink goes up to 5,000 Mbps, and all Clarendon Hills customers can get this speed.
Show all download speeds
- 100.0% up to 5,000.0 Mbps
EarthLink fiber upload speeds
In Clarendon Hills 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 one of the slowest compared to other Clarendon Hills fiber providers. EarthLink offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Clarendon Hills is up to 5,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 5,000.0 Mbps
AT&T Fiber in Clarendon Hills, IL
AT&T fiber coverage
About 55.46%, or 5,919 people, have AT&T fiber internet available to them in the city. The company covers the northwest, northeast, central, north, west, east, and southeast Clarendon Hills area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of Clarendon Hills.
AT&T fiber download speeds
AT&T is above average when comparing download speeds to all other internet providers in Clarendon Hills. Versus other fiber providers in the area, AT&T fiber is one of the slowest. There are no different maximum speeds throughout Clarendon Hills. The fastest plan anyone in Clarendon Hills can order from AT&T goes up to 5,000 Mbps, and all Clarendon Hills customers can get this speed.
Show all download speeds
- 100.0% up to 5,000.0 Mbps
AT&T fiber upload speeds
In Clarendon Hills 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 one of the slowest compared to other Clarendon Hills fiber providers. AT&T offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Clarendon Hills is up to 5,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 5,000.0 Mbps
Sparklight Fiber in Clarendon Hills, IL
Sparklight fiber coverage
About 5.73%, or 612 people, have Sparklight fiber internet available to them in the city. The company covers the central, northwest, south, east, north, and southeast Clarendon Hills 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 Clarendon Hills.
Sparklight fiber download speeds
Sparklight is the fastest when comparing download speeds to all other internet providers in Clarendon Hills. Versus other fiber providers in the area, Sparklight fiber is the fastest. There are no different maximum speeds throughout Clarendon Hills. The fastest plan anyone in Clarendon Hills can order from Sparklight goes up to 7,000 Mbps, and all Clarendon Hills customers can get this speed.
Show all download speeds
- 100.0% up to 7,000.0 Mbps
Sparklight fiber upload speeds
In Clarendon Hills download speeds tend to be equal to than upload speeds for Sparklight fiber. Compared to other ISPs, Sparklight is the fastest where upload speeds are concerned, and the fastest compared to other Clarendon Hills fiber providers. Sparklight offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Clarendon Hills is up to 7,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 7,000.0 Mbps
T-Mobile Home Internet Fixed Wireless in Clarendon Hills, IL
T-Mobile Home Internet fixed wireless coverage
About 98.59%, or 10,522 people, have T-Mobile Home Internet fixed wireless internet available to them in the city. The company covers the entire Clarendon Hills 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 Clarendon Hills.
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 Clarendon Hills. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is below average. There are 2 different maximum speeds throughout Clarendon Hills. The fastest plan anyone in Clarendon Hills 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 Clarendon Hills customers is up to 81 Mbps.
Show all download speeds
- 74.8% up to 100.0 Mbps
- 25.2% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In Clarendon Hills 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 above average compared to other Clarendon Hills 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 Clarendon Hills 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 16 Mbps.
Show all upload speeds
- 74.8% up to 20.0 Mbps
- 25.2% up to 3.0 Mbps
EarthLink Fixed Wireless in Clarendon Hills, IL
EarthLink fixed wireless coverage
About 93.70%, or 10,000 people, have EarthLink fixed wireless internet available to them in the city. The company covers the entire Clarendon Hills area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in most of Clarendon Hills.
EarthLink fixed wireless download speeds
EarthLink is one of the slowest when comparing download speeds to all other internet providers in Clarendon Hills. Versus other fixed wireless providers in the area, EarthLink fixed wireless is one of the slowest. There are 2 different maximum speeds throughout Clarendon Hills. The fastest plan anyone in Clarendon Hills 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 Clarendon Hills customers is up to 38 Mbps.
Show all download speeds
- 17.5% up to 100.0 Mbps
- 82.5% up to 25.0 Mbps
EarthLink fixed wireless upload speeds
In Clarendon Hills download speeds tend to be faster than than upload speeds for EarthLink fixed wireless. Compared to other ISPs, EarthLink is one of the slowest where upload speeds are concerned, and one of the slowest compared to other Clarendon Hills 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 Clarendon Hills 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 6.0 Mbps.
Show all upload speeds
- 17.5% up to 20.0 Mbps
- 82.5% up to 3.0 Mbps
AT&T Fixed Wireless in Clarendon Hills, IL
AT&T fixed wireless coverage
About 93.70%, or 10,000 people, have AT&T fixed wireless internet available to them in the city. The company covers the entire Clarendon Hills area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in most of Clarendon Hills.
AT&T fixed wireless download speeds
AT&T is one of the slowest when comparing download speeds to all other internet providers in Clarendon Hills. Versus other fixed wireless providers in the area, AT&T fixed wireless is one of the slowest. There are 2 different maximum speeds throughout Clarendon Hills. The fastest plan anyone in Clarendon Hills 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 Clarendon Hills customers is up to 38 Mbps.
Show all download speeds
- 17.5% up to 100.0 Mbps
- 82.5% up to 25.0 Mbps
AT&T fixed wireless upload speeds
In Clarendon Hills download speeds tend to be faster than than upload speeds for AT&T fixed wireless. Compared to other ISPs, AT&T is one of the slowest where upload speeds are concerned, and one of the slowest compared to other Clarendon Hills 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 Clarendon Hills 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 6.0 Mbps.
Show all upload speeds
- 17.5% up to 20.0 Mbps
- 82.5% up to 3.0 Mbps
Verizon Fixed Wireless in Clarendon Hills, IL
Verizon fixed wireless coverage
About 91.57%, or 9,772 people, have Verizon fixed wireless internet available to them in the city. The company covers the entire Clarendon Hills area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in most of Clarendon Hills.
Verizon fixed wireless download speeds
Verizon is below average when comparing download speeds to all other internet providers in Clarendon Hills. Versus other fixed wireless providers in the area, Verizon fixed wireless is the fastest. There are 2 different maximum speeds throughout Clarendon Hills. The fastest plan anyone in Clarendon Hills can order from Verizon goes up to 1,000 Mbps, the slowest package only goes up to 300 Mbps, and the city-wide average maximum speed for Clarendon Hills customers is up to 350 Mbps.
Show all download speeds
- 7.1% up to 1,000.0 Mbps
- 92.9% up to 300.0 Mbps
Verizon fixed wireless upload speeds
In Clarendon Hills 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 Clarendon Hills fixed wireless providers. Verizon 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 Clarendon Hills is up to 75 Mbps. Some customers have slower plan choices, which only go up to 20 Mbps. On average, Verizon customers can get speeds up to 24 Mbps.
Show all upload speeds
- 7.1% up to 75.0 Mbps
- 92.9% up to 20.0 Mbps
Clarendon Hills Internet by Area
This information is most helpful to those looking for homes or considering moving to Clarendon Hills or any of the areas nearby.
How does internet in Clarendon Hills compare to the rest of Illinois?
Internet speeds in Clarendon Hills are faster versus the average speeds in Illinois: 2,791 Mbps in Illinois versus 3,720 Mbps in the city. The state has similar internet availability compared to the city. Average internet coverage in Illinois is 99.02% versus 99.05% in Clarendon Hills.
What zip codes have widespread internet?
Internet coverage varies by zip code and neighborhood. Some examples in or around Clarendon Hills 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
- Westmont, IL: more internet coverage, slower speeds
- Hinsdale, IL: more internet coverage, faster speeds
- Willowbrook, IL: more internet coverage, slower speeds
- Oak Brook, IL: more internet coverage, slower speeds
- Downers Grove, IL: more internet coverage, slower speeds
- Western Springs, IL: more internet coverage, faster speeds
- Darien, IL: more internet coverage, slower speeds
- Indian Head Park, IL: more internet coverage, slower speeds
- Burr Ridge, IL: more internet coverage, slower speeds
- Oakbrook Terrace, IL: less internet coverage, slower speeds
Cities with Similar Populations
- Kennebunk, ME: more internet coverage, slower speeds
- Wilton Manors, FL: more internet coverage, slower speeds
- Loxley, AL: more internet coverage, slower speeds
- Lexington, NE: more internet coverage, slower speeds
- Lewiston, NY: less internet coverage, slower speeds
- Leonardtown, MD: more internet coverage, slower speeds
- Leesville, SC: more internet coverage, faster speeds
- Largo, MD: more internet coverage, slower speeds
- Lansing, KS: more internet coverage, faster speeds
- Knoxville, IA: more internet coverage, slower speeds