In DuPage County there are 2 residential Cable providers covering 99.16% of the county. The average home can get speeds up to 1,914 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 DuPage County, IL.
To see availability maps for all providers including fiber, cable, DSL, and more in DuPage County, IL please click below.
DuPage County, IL Availability Maps
Cable Internet Service Providers in DuPage County
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 DuPage County are not shown.
DuPage 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
Where in DuPage County is cable internet available?
Cable Internet Availability Key
Cable is available in 99.16% of DuPage County. 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 DuPage County above to see who has service at your home.
How fast is cable internet in DuPage County?
The map below shows maximum cable internet speeds by area in DuPage County.
Cable Internet Speed Key
The average DuPage County home can get up to 1,914 Mbps on their cable internet plan. The fastest cable download speed in the county is 2,000 Mbps, which 87.69% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 9.44% 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 DuPage County.
Cable internet speeds tend to be faster in the east parts of DuPage County, and slower in the northwest areas of the county.
Is cable the fastest internet I can get in DuPage County?
The fastest internet for you may vary based on where in DuPage County you live. In general, fiber competes most often with cable in the county.
- Fiber is the fastest internet type for 29.86% of DuPage County homes.
- Cable is fastest for 69.47% of the county.
- 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 DuPage County homes.
Cable Providers in Depth
Below you'll find which TV and internet providers offer service in DuPage County, along with details on where in DuPage County and at what speeds.
XFINITY from Comcast Cable in DuPage County, IL
XFINITY cable coverage
About 99.07%, or 924,241 people, have XFINITY cable internet available to them in the county. The company covers the entire DuPage County area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in most of DuPage County.
XFINITY from Comcast cable download speeds
XFINITY is above average when comparing download speeds to all other internet providers in DuPage County. Versus other cable providers in the area, XFINITY cable is the fastest. There are 2 different maximum speeds throughout DuPage County. The fastest plan anyone in DuPage County can order from XFINITY goes up to 2,000 Mbps, the slowest package only goes up to 1,200 Mbps, and the county-wide average maximum speed for DuPage County customers is up to 1,908 Mbps.
Show all download speeds
- 88.5% up to 2,000.0 Mbps
- 11.5% up to 1,200.0 Mbps
XFINITY from Comcast cable upload speeds
In DuPage County 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 DuPage County cable providers. XFINITY 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 DuPage County 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 225 Mbps.
Show all upload speeds
- 88.5% up to 250.0 Mbps
- 11.5% up to 35.0 Mbps
Astound Broadband Cable in DuPage County, IL
Astound Broadband cable coverage
About 16.72%, or 155,938 people, have Astound Broadband cable internet available to them in the county. The company covers the southwest, north, central, south, northeast, and west DuPage County 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 DuPage County.
Astound Broadband cable download speeds
Astound Broadband is below average when comparing download speeds to all other internet providers in DuPage County. Versus other cable providers in the area, Astound Broadband cable is the slowest. There are no different maximum speeds throughout DuPage County. The fastest plan anyone in DuPage County can order from Astound Broadband goes up to 1,500 Mbps, and all DuPage County customers can get this speed.
Show all download speeds
- 100.0% up to 1,500.0 Mbps
Astound Broadband cable upload speeds
In DuPage County 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 the slowest compared to other DuPage County cable providers. Astound Broadband offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in DuPage County is up to 50 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 50.0 Mbps
DuPage County Cable by Area
This information is most helpful to those looking for homes or considering moving to DuPage County or any of the areas nearby.
How does cable internet in DuPage County compare to the rest of Illinois?
Cable internet speeds in DuPage County are much faster versus the average speeds in Illinois: 0.00 Mbps in Illinois versus 1,914 Mbps in the county. The state has similar cable availability compared to the county. Average cable coverage in Illinois is 0.00% versus 99.16% in DuPage County.
What zip codes have cable internet?
Cable internet coverage varies by zip code and neighborhood. Some examples in or around DuPage County 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 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
- Kane County, IL: less cable coverage, slower speeds
- Cook County, IL: less cable coverage, slower speeds
- DeKalb County, IL: less cable coverage, slower speeds
- Lee County, IL: less cable coverage, slower speeds
- Berrien County, MI: less cable coverage, slower speeds
- Whiteside County, IL: less cable coverage, slower speeds
- Cass County, MI: less cable coverage, slower speeds
- Clinton County, IA: less cable coverage, slower speeds
- St. Joseph County, MI: less cable coverage, slower speeds
- Branch County, MI: less cable coverage, slower speeds
Counties with Similar Populations
- Pima County, AZ: less cable coverage, slower speeds
- Wake County, NC: less cable coverage, slower speeds
- Philadelphia County, PA: less cable coverage, slower speeds
- Suffolk County, NY: less cable coverage, slower speeds
- Travis County, TX: less cable coverage, slower speeds
- Westchester County, NY: less cable coverage, slower speeds
- Salt Lake County, UT: less cable coverage, faster speeds
- Palm Beach County, FL: less cable coverage, slower speeds
- Wayne County, MI: more cable coverage, slower speeds
- Sacramento County, CA: less cable coverage, slower speeds