In Northbrook there are 2 residential Cable providers covering 99.91% of the city. The average home can get speeds up to 1,609 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 Northbrook, IL.
To see availability maps for all providers including fiber, cable, DSL, and more in Northbrook, IL please click below.
Northbrook, IL Availability Maps
Cable Internet Service Providers in Northbrook
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 Northbrook are not shown.
Northbrook 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 Northbrook is cable internet available?
100%
Colorblind friendly
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Cable is available in 99.91% of Northbrook. 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 Northbrook above to see who has service at your home.
How fast is cable internet in Northbrook?
The map below shows maximum cable internet speeds by area in Northbrook.
1000 Mbps+
Colorblind friendly
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The average Northbrook home can get up to 1,609 Mbps on their cable internet plan. The fastest cable download speed in the city is 2,000 Mbps, which 50.85% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 48.28% 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 Northbrook.
Cable internet speeds tend to be faster in the southwest parts of Northbrook, and slower in the north areas of the city.
Is cable the fastest internet I can get in Northbrook?
The fastest internet for you may vary based on where in Northbrook you live. In general, fiber competes most often with cable in the city.
- Fiber is the fastest internet type for 59.07% of Northbrook homes.
- Cable is fastest for 40.86% 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 Northbrook homes.
Cable Providers in Depth
Below you'll find which TV and internet providers offer service in Northbrook, along with details on where in Northbrook and at what speeds.
XFINITY from Comcast Cable in Northbrook, IL
XFINITY cable coverage
About 99.91%, or 40,533 people, have XFINITY cable internet available to them in the city. The company covers the entire Northbrook area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in most of Northbrook.
XFINITY from Comcast cable download speeds
XFINITY is above average when comparing download speeds to all other internet providers in Northbrook. Versus other cable providers in the area, XFINITY cable is the fastest. There are 2 different maximum speeds throughout Northbrook. The fastest plan anyone in Northbrook 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 Northbrook customers is up to 1,607 Mbps.
Show all download speeds
- 50.9% up to 2,000.0 Mbps
- 49.1% up to 1,200.0 Mbps
XFINITY from Comcast cable upload speeds
In Northbrook 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 Northbrook 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 Northbrook 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 144 Mbps.
Show all upload speeds
- 50.9% up to 250.0 Mbps
- 49.1% up to 35.0 Mbps
Astound Broadband Cable in Northbrook, IL
Astound Broadband cable coverage
About 1.23%, or 498 people, have Astound Broadband cable internet available to them in the city. The company covers the south, west, and southwest Northbrook area. Astound Broadband is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Northbrook.
Astound Broadband cable download speeds
Astound Broadband is above average when comparing download speeds to all other internet providers in Northbrook. Versus other cable providers in the area, Astound Broadband cable is the slowest. There are no different maximum speeds throughout Northbrook. The fastest plan anyone in Northbrook can order from Astound Broadband goes up to 1,500 Mbps, and all Northbrook customers can get this speed.
Show all download speeds
- 100.0% up to 1,500.0 Mbps
Astound Broadband cable upload speeds
In Northbrook 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 Northbrook cable providers. Astound Broadband offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Northbrook is up to 50 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 50.0 Mbps
Northbrook Cable by Area
This information is most helpful to those looking for homes or considering moving to Northbrook or any of the areas nearby.
How does cable internet in Northbrook compare to the rest of Illinois?
Cable internet speeds in Northbrook are much faster versus the average speeds in Illinois: 0.00 Mbps in Illinois versus 1,609 Mbps in the city. The state has similar cable availability compared to the city. Average cable coverage in Illinois is 0.00% versus 99.91% in Northbrook.
What zip codes have cable internet?
Cable internet coverage varies by zip code and neighborhood. Some examples in or around Northbrook 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 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
- Glenview Nas, IL: less cable coverage, faster speeds
- Deerfield, IL: less cable coverage, faster speeds
- Glenview, IL: less cable coverage, faster speeds
- Northfield, IL: more cable coverage, faster speeds
- Prospect Heights, IL: less cable coverage, faster speeds
- Riverwoods, IL: less cable coverage, faster speeds
- Highland Park, IL: less cable coverage, faster speeds
- Glencoe, IL: more cable coverage, faster speeds
- Wheeling, IL: more cable coverage, faster speeds
- Bannockburn, IL: less cable coverage, slower speeds
Cities with Similar Populations
- Teaneck, NJ: less cable coverage, slower speeds
- Fairburn, GA: less cable coverage, faster speeds
- Fairport, NY: less cable coverage, slower speeds
- Fort Lee, NJ: less cable coverage, slower speeds
- Glen Ellyn, IL: more cable coverage, faster speeds
- Plymouth, MI: less cable coverage, slower speeds
- Romeoville, IL: less cable coverage, faster speeds
- Shelton, CT: more cable coverage, faster speeds
- Sierra Vista, AZ: less cable coverage, faster speeds
- Streamwood, IL: more cable coverage, faster speeds