In McHenry County there are 3 residential Cable providers covering 96.19% of the county. The average home can get speeds up to 1,903 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 McHenry County, IL.
To see availability maps for all providers including fiber, cable, DSL, and more in McHenry County, IL please click below.
McHenry County, IL Availability Maps
Cable Internet Service Providers in McHenry 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 McHenry County are not shown.
McHenry 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 McHenry County is cable internet available?
Cable Internet Availability Key
Cable is available in 96.19% of McHenry 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 McHenry County above to see who has service at your home.
How fast is cable internet in McHenry County?
The map below shows maximum cable internet speeds by area in McHenry County.
Cable Internet Speed Key
The average McHenry County home can get up to 1,903 Mbps on their cable internet plan. The fastest cable download speed in the county is 2,000 Mbps, which 86.73% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 8.81% of homes can only purchase plans up to 1,000 Mbps. See the internet provider details below for info about their speed and coverage in McHenry County.
Cable internet speeds tend to be faster in the south parts of McHenry County, and slower in the northwest areas of the county.
Is cable the fastest internet I can get in McHenry County?
The fastest internet for you may vary based on where in McHenry County you live. In general, fiber competes most often with cable in the county.
- Fiber is the fastest internet type for 28.62% of McHenry County homes.
- Cable is fastest for 67.93% of the county.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 3.19%.
- Satellite internet may be the only option for less than 1% of McHenry County homes.
Cable Providers in Depth
Below you'll find which TV and internet providers offer service in McHenry County, along with details on where in McHenry County and at what speeds.
XFINITY from Comcast Cable in McHenry County, IL
XFINITY cable coverage
About 87.38%, or 271,077 people, have XFINITY cable internet available to them in the county. The company covers the entire McHenry County area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in most of McHenry County.
XFINITY from Comcast cable download speeds
XFINITY is above average when comparing download speeds to all other internet providers in McHenry County. Versus other cable providers in the area, XFINITY cable is the fastest. There are 2 different maximum speeds throughout McHenry County. The fastest plan anyone in McHenry 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 McHenry County customers is up to 1,994 Mbps.
Show all download speeds
- 99.3% up to 2,000.0 Mbps
- 0.7% up to 1,200.0 Mbps
XFINITY from Comcast cable upload speeds
In McHenry 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 McHenry 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 McHenry 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 248 Mbps.
Show all upload speeds
- 99.3% up to 250.0 Mbps
- 0.7% up to 35.0 Mbps
Spectrum Cable in McHenry County, IL
Spectrum cable coverage
About 6.97%, or 21,623 people, have Spectrum cable internet available to them in the county. The company covers the northwest, west, north, southwest, and northeast McHenry County 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 McHenry County.
Spectrum cable download speeds
Spectrum is below average when comparing download speeds to all other internet providers in McHenry County. Versus other cable providers in the area, Spectrum cable is one of the slowest. There are no different maximum speeds throughout McHenry County. The fastest plan anyone in McHenry County can order from Spectrum goes up to 1,000 Mbps, and all McHenry County customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spectrum cable upload speeds
In McHenry County download speeds tend to be faster than than upload speeds for Spectrum cable. Compared to other ISPs, Spectrum is below average where upload speeds are concerned, and the slowest compared to other McHenry County cable providers. Spectrum offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in McHenry County is up to 35 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 35.0 Mbps
Mediacom Cable in McHenry County, IL
Mediacom cable coverage
About 3.66%, or 11,364 people, have Mediacom cable internet available to them in the county. The company covers the northeast, northwest, and north McHenry County 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 McHenry County.
Mediacom cable download speeds
Mediacom is below average when comparing download speeds to all other internet providers in McHenry County. Versus other cable providers in the area, Mediacom cable is one of the slowest. There are no different maximum speeds throughout McHenry County. The fastest plan anyone in McHenry County can order from Mediacom goes up to 1,000 Mbps, and all McHenry County customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Mediacom cable upload speeds
In McHenry County 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 McHenry County cable providers. Mediacom offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in McHenry County is up to 50 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 50.0 Mbps
McHenry County Cable by Area
This information is most helpful to those looking for homes or considering moving to McHenry County or any of the areas nearby.
How does cable internet in McHenry County compare to the rest of Illinois?
Cable internet speeds in McHenry County are much faster versus the average speeds in Illinois: 0.00 Mbps in Illinois versus 1,903 Mbps in the county. The state has similar cable availability compared to the county. Average cable coverage in Illinois is 0.00% versus 96.19% in McHenry County.
What zip codes have cable internet?
Cable internet coverage varies by zip code and neighborhood. Some examples in or around McHenry 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
- Lake County, IL: more cable coverage, slower speeds
- Boone County, IL: less cable coverage, slower speeds
- Winnebago County, IL: more cable coverage, slower speeds
- Stephenson County, IL: less cable coverage, slower speeds
- Jackson County, IA: less cable coverage, slower speeds
- Van Buren County, MI: less cable coverage, slower speeds
- Kalamazoo County, MI: less cable coverage, slower speeds
- Jones County, IA: less cable coverage, slower speeds
- Calhoun County, MI: less cable coverage, slower speeds
- Jackson County, MI: less cable coverage, slower speeds
Counties with Similar Populations
- York County, ME: more cable coverage, slower speeds
- Yolo County, CA: less cable coverage, slower speeds
- Yavapai County, AZ: less cable coverage, slower speeds
- Arlington County, VA: more cable coverage, faster speeds
- Baldwin County, AL: less cable coverage, slower speeds
- Barnstable County, MA: more cable coverage, slower speeds
- Berkeley County, SC: less cable coverage, slower speeds
- Whatcom County, WA: less cable coverage, slower speeds
- Okaloosa County, FL: less cable coverage, faster speeds
- Montgomery County, TN: less cable coverage, slower speeds