In Markham there is 1 residential Cable provider covering 99.86% of the city. The average home can get speeds up to 2,000 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 Markham, IL.
To see availability maps for all providers including fiber, cable, DSL, and more in Markham, IL please click below.
Cable Internet Service Provider in Markham
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 Markham are not shown.
Markham 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 Markham is cable internet available?
Cable Internet Availability Key
Cable is available in 99.86% of Markham. 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 Markham above to see who has service at your home.
How fast is cable internet in Markham?
The map below shows maximum cable internet speeds by area in Markham.
Cable Internet Speed Key
The average Markham home can get up to 2,000 Mbps on their cable internet plan. The fastest cable download speed in the city is 2,000 Mbps, which 99.86% of residents can get.
Is cable the fastest internet I can get in Markham?
The fastest internet for you may vary based on where in Markham you live. In general, fiber competes most often with cable in the city.
- Fiber is the fastest internet type for 35.99% of Markham homes.
- Cable is fastest for 63.87% 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 Markham homes.
Cable Providers in Depth
Below you'll find which TV and internet providers offer service in Markham, along with details on where in Markham and at what speeds.
XFINITY from Comcast Cable in Markham, IL
XFINITY cable coverage
About 99.86%, or 11,640 people, have XFINITY cable internet available to them in the city. The company covers the entire Markham area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in most of Markham.
XFINITY from Comcast cable download speeds
XFINITY is above average when comparing download speeds to all other internet providers in Markham. Versus other cable providers in the area, XFINITY cable is the fastest. There are no different maximum speeds throughout Markham. The fastest plan anyone in Markham can order from XFINITY goes up to 2,000 Mbps, and all Markham customers can get this speed.
Show all download speeds
- 100.0% up to 2,000.0 Mbps
XFINITY from Comcast cable upload speeds
In Markham 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 Markham cable providers. XFINITY offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Markham is up to 250 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 250.0 Mbps
Markham Cable by Area
This information is most helpful to those looking for homes or considering moving to Markham or any of the areas nearby.
How does cable internet in Markham compare to the rest of Illinois?
Cable internet speeds in Markham are much faster versus the average speeds in Illinois: 0.00 Mbps in Illinois versus 2,000 Mbps in the city. The state has similar cable availability compared to the city. Average cable coverage in Illinois is 0.00% versus 99.86% in Markham.
What zip codes have cable internet?
Cable internet coverage varies by zip code and neighborhood. Some examples in or around Markham 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
- Hazel Crest, IL: more cable coverage, slower speeds
- Harvey, IL: less cable coverage, similar speeds
- Posen, IL: more cable coverage, similar speeds
- East Hazel Crest, IL: more cable coverage, similar speeds
- Dixmoor, IL: less cable coverage, similar speeds
- Midlothian, IL: more cable coverage, slower speeds
- Phoenix, IL: more cable coverage, similar speeds
- Country Club Hills, IL: more cable coverage, similar speeds
- Homewood, IL: more cable coverage, similar speeds
- Robbins, IL: more cable coverage, similar speeds
Cities with Similar Populations
- Brookings, OR: less cable coverage, slower speeds
- Castle Pines North, CO: more cable coverage, slower speeds
- Carver, MA: less cable coverage, slower speeds
- Carthage, MS: less cable coverage, slower speeds
- Carroll, IA: less cable coverage, slower speeds
- Cardiff By The Sea, CA: less cable coverage, slower speeds
- Campobello, SC: less cable coverage, slower speeds
- Cameron, MO: less cable coverage, slower speeds
- Burr Ridge, IL: more cable coverage, similar speeds
- Bunker Hill, WV: less cable coverage, slower speeds