In Illinois there are 5 residential Cable providers covering 92.49% of the state. The average home can get speeds up to 1,638 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.
This page contains all Cable internet providers in Illinois.
To see availability maps for all providers including fiber, cable, DSL, and more in Illinois please click below.
Cable Internet Service Providers in Illinois
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 Illinois are not shown.
Illinois 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
Where in Illinois is cable internet available?
Cable Internet Availability Key
Cable is available in 92.49% of Illinois. Areas in green have cable internet service, where areas in yellow or red may not. The most widely available provider is XFINITY. Call one of the companies with service in Illinois above to see who has service at your home.
How fast is cable internet in Illinois?
The map below shows maximum cable internet speeds by area in Illinois.
Cable Internet Speed Key
The average Illinois home can get up to 1,638 Mbps on their cable internet plan. The fastest cable download speed in the state is 2,500 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 50 Mbps. See the internet provider details below for info about their speed and coverage in Illinois.
Cable internet speeds tend to be faster in the northeast parts of Illinois, and slower in the southeast areas of the state.
Is cable the fastest internet I can get in Illinois?
The fastest internet for you may vary based on where in Illinois you live. In general, fiber competes most often with cable in the state.
- Fiber is the fastest internet type for 34.68% of Illinois homes.
- Cable is fastest for 60.62% of the state.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 3.52%.
- Satellite internet may be the only option for less than 1% of Illinois homes.
Cable Providers in Depth
Below you'll find which TV and internet providers offer service in Illinois, along with details on where in Illinois and at what speeds.
XFINITY from Comcast Cable in Illinois
XFINITY cable coverage
About 78.29%, or 10,031,255 people, have XFINITY cable internet available to them in the state. The company covers the entire Illinois area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in much of Illinois.
XFINITY from Comcast cable download speeds
XFINITY is above average when comparing download speeds to all other internet providers in Illinois. Versus other cable providers in the area, XFINITY cable is above average. There are 4 different maximum speeds throughout Illinois. The fastest plan anyone in Illinois can order from XFINITY goes up to 2,000 Mbps, the slowest package only goes up to 500 Mbps, and the state-wide average maximum speed for Illinois customers is up to 1,729 Mbps.
Show all download speeds
- 66.1% up to 2,000.0 Mbps
- 33.9% up to 1,200.0 Mbps
- 0.0% up to 1,000.0 Mbps
- 0.0% up to 500.0 Mbps
XFINITY from Comcast cable upload speeds
In Illinois 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 above average compared to other Illinois cable providers. XFINITY offers 3 different upload speeds across the state, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Illinois 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 177 Mbps.
Show all upload speeds
- 0.0% up to 1,000.0 Mbps
- 66.1% up to 250.0 Mbps
- 33.9% up to 35.0 Mbps
Astound Broadband Cable in Illinois
Astound Broadband cable coverage
About 17.32%, or 2,219,343 people, have Astound Broadband cable internet available to them in the state. The company covers the northeast, east, north, central, southwest, and south Illinois area. Astound Broadband is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Illinois.
Astound Broadband cable download speeds
Astound Broadband is above average when comparing download speeds to all other internet providers in Illinois. Versus other cable providers in the area, Astound Broadband cable is above average. There are no different maximum speeds throughout Illinois. The fastest plan anyone in Illinois can order from Astound Broadband goes up to 1,500 Mbps, and all Illinois customers can get this speed.
Show all download speeds
- 100.0% up to 1,500.0 Mbps
Astound Broadband cable upload speeds
In Illinois download speeds tend to be faster than than upload speeds for Astound Broadband cable. Compared to other ISPs, Astound Broadband is below average where upload speeds are concerned, and below average compared to other Illinois cable providers. Astound Broadband offers no different upload speeds across the state. The fastest upload speed available to anyone from this ISP in Illinois 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 Illinois
Mediacom cable coverage
About 6.82%, or 874,395 people, have Mediacom cable internet available to them in the state. The company covers the west, south, central, southwest, north, northwest, southeast, and east Illinois 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 Illinois.
Mediacom cable download speeds
Mediacom is above average when comparing download speeds to all other internet providers in Illinois. Versus other cable providers in the area, Mediacom cable is below average. There are no different maximum speeds throughout Illinois. The fastest plan anyone in Illinois can order from Mediacom goes up to 1,000 Mbps, and all Illinois customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Mediacom cable upload speeds
In Illinois 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 below average compared to other Illinois cable providers. Mediacom offers no different upload speeds across the state. The fastest upload speed available to anyone from this ISP in Illinois is up to 50 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 50.0 Mbps
Spectrum Cable in Illinois
Spectrum cable coverage
About 5.03%, or 644,134 people, have Spectrum cable internet available to them in the state. The company covers the southwest, north, south, northwest, and northeast Illinois 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 Illinois.
Spectrum cable download speeds
Spectrum is above average when comparing download speeds to all other internet providers in Illinois. Versus other cable providers in the area, Spectrum cable is below average. There are no different maximum speeds throughout Illinois. The fastest plan anyone in Illinois can order from Spectrum goes up to 1,000 Mbps, and all Illinois customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spectrum cable upload speeds
In Illinois download speeds tend to be faster than than upload speeds for Spectrum cable. Compared to other ISPs, Spectrum is above average where upload speeds are concerned, and the fastest compared to other Illinois cable providers. Spectrum offers 2 different upload speeds across the state, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Illinois 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 884 Mbps.
Show all upload speeds
- 88.0% up to 1,000.0 Mbps
- 12.0% up to 35.0 Mbps
Sparklight Cable in Illinois
Sparklight cable coverage
About 2.02%, or 258,676 people, have Sparklight cable internet available to them in the state. The company covers the southwest, south, southeast, east, and west Illinois 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 Illinois.
Sparklight cable download speeds
Sparklight is above average when comparing download speeds to all other internet providers in Illinois. Versus other cable providers in the area, Sparklight cable is below average. There are 3 different maximum speeds throughout Illinois. The fastest plan anyone in Illinois can order from Sparklight goes up to 1,000 Mbps, the slowest package only goes up to 300 Mbps, and the state-wide average maximum speed for Illinois customers is up to 982 Mbps.
Show all download speeds
- 97.1% up to 1,000.0 Mbps
- 2.3% up to 400.0 Mbps
- 0.6% up to 300.0 Mbps
Sparklight cable upload speeds
In Illinois 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 below average compared to other Illinois cable providers. Sparklight offers 3 different upload speeds across the state, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Illinois is up to 50 Mbps. Some customers have slower plan choices, which only go up to 30 Mbps. On average, Sparklight customers can get speeds up to 50 Mbps.
Show all upload speeds
- 97.1% up to 50.0 Mbps
- 2.3% up to 40.0 Mbps
- 0.6% up to 30.0 Mbps
Illinois Cable by Area
This information is most helpful to those looking for homes or considering moving to Illinois or any of the areas nearby.
How does cable internet in Illinois compare to the rest of the United States?
Cable internet speeds in Illinois are much faster versus the average speeds in the United States: 0.00 Mbps in the United States versus 1,638 Mbps in the state. The nation has similar cable availability compared to the state. Average cable coverage in the United States is 0.00% versus 92.49% in Illinois.
What zip codes have cable internet?
Cable internet coverage varies by zip code and neighborhood. Some examples in or around Illinois are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does cable internet look like in other states?
Below are states nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby States
- Indiana: less cable coverage, slower speeds
- Wisconsin: less cable coverage, slower speeds
- Missouri: less cable coverage, slower speeds
- Iowa: less cable coverage, slower speeds
- Kentucky: less cable coverage, slower speeds
- Michigan: less cable coverage, slower speeds
- Ohio: less cable coverage, slower speeds
- Tennessee: less cable coverage, slower speeds
- Minnesota: less cable coverage, slower speeds
- West Virginia: less cable coverage, slower speeds
States with Similar Populations
- Arizona: less cable coverage, faster speeds
- Alabama: less cable coverage, slower speeds
- New Hampshire: more cable coverage, faster speeds
- Montana: less cable coverage, slower speeds
- Mississippi: less cable coverage, slower speeds
- Minnesota: less cable coverage, slower speeds
- Michigan: less cable coverage, slower speeds
- Massachusetts: more cable coverage, faster speeds
- Maine: less cable coverage, slower speeds
- Idaho: less cable coverage, slower speeds