In Mercer County there are 2 residential Cable providers covering 62.91% of the county. The average home can get speeds up to 892 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 Mercer County, IL.
To see availability maps for all providers including fiber, cable, DSL, and more in Mercer County, IL please click below.
Mercer County, IL Availability Maps
Cable Internet Service Providers in Mercer 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 Mercer County are not shown.
Mercer 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 Mercer County is cable internet available?
Cable Internet Availability Key
Cable is available in 62.91% of Mercer County. Areas in green have cable internet service, where areas in yellow or red may not. The most widely available provider is Mediacom. Call one of the companies with service in Mercer County above to see who has service at your home.
How fast is cable internet in Mercer County?
The map below shows maximum cable internet speeds by area in Mercer County.
Cable Internet Speed Key
The average Mercer County home can get up to 892 Mbps on their cable internet plan. The fastest cable download speed in the county is 1,000 Mbps, which 51.54% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 11.36% of homes can only purchase plans up to 400 Mbps. See the internet provider details below for info about their speed and coverage in Mercer County.
Cable internet speeds tend to be faster in the central parts of Mercer County, and slower in the southwest areas of the county.
Is cable the fastest internet I can get in Mercer County?
The fastest internet for you may vary based on where in Mercer County you live. In general, fiber competes most often with cable in the county.
- Fiber is the fastest internet type for 55.49% of Mercer County homes.
- Cable is fastest for 22.93% of the county.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 20.48%.
- Satellite internet may be the only option for less than 1% of Mercer County homes.
Cable Providers in Depth
Below you'll find which TV and internet providers offer service in Mercer County, along with details on where in Mercer County and at what speeds.
Mediacom Cable in Mercer County, IL
Mediacom cable coverage
About 51.54%, or 8,092 people, have Mediacom cable internet available to them in the county. The company covers the central, northeast, east, southeast, and north Mercer County area. Mediacom is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of Mercer County.
Mediacom cable download speeds
Mediacom is above average when comparing download speeds to all other internet providers in Mercer County. Versus other cable providers in the area, Mediacom cable is the fastest. There are no different maximum speeds throughout Mercer County. The fastest plan anyone in Mercer County can order from Mediacom goes up to 1,000 Mbps, and all Mercer County customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Mediacom cable upload speeds
In Mercer 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 the fastest compared to other Mercer County cable providers. Mediacom offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Mercer County is up to 50 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 50.0 Mbps
Sparklight Cable in Mercer County, IL
Sparklight cable coverage
About 11.36%, or 1,784 people, have Sparklight cable internet available to them in the county. The company covers the southwest, west, and southeast Mercer County 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 Mercer County.
Sparklight cable download speeds
Sparklight is below average when comparing download speeds to all other internet providers in Mercer County. Versus other cable providers in the area, Sparklight cable is the slowest. There are no different maximum speeds throughout Mercer County. The fastest plan anyone in Mercer County can order from Sparklight goes up to 400 Mbps, and all Mercer County customers can get this speed.
Show all download speeds
- 100.0% up to 400.0 Mbps
Sparklight cable upload speeds
In Mercer County 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 the slowest compared to other Mercer County cable providers. Sparklight offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Mercer County is up to 40 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 40.0 Mbps
Mercer County Cable by Area
This information is most helpful to those looking for homes or considering moving to Mercer County or any of the areas nearby.
How does cable internet in Mercer County compare to the rest of Illinois?
Cable internet speeds in Mercer County are much faster versus the average speeds in Illinois: 0.00 Mbps in Illinois versus 892 Mbps in the county. The state has similar cable availability compared to the county. Average cable coverage in Illinois is 0.00% versus 62.91% in Mercer County.
What zip codes have cable internet?
Cable internet coverage varies by zip code and neighborhood. Some examples in or around Mercer 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
- Louisa County, IA: less cable coverage, faster speeds
- Henry County, IL: more cable coverage, faster speeds
- Washington County, IA: less cable coverage, faster speeds
- Bureau County, IL: more cable coverage, faster speeds
- Putnam County, IL: less cable coverage, faster speeds
- Keokuk County, IA: less cable coverage, faster speeds
- LaSalle County, IL: more cable coverage, faster speeds
- Mahaska County, IA: more cable coverage, faster speeds
- Grundy County, IL: more cable coverage, faster speeds
- Marion County, IA: more cable coverage, faster speeds
Counties with Similar Populations
- Worth County, GA: less cable coverage, faster speeds
- Jones County, IA: more cable coverage, slower speeds
- Jones County, NC: less cable coverage, faster speeds
- Yalobusha County, MS: less cable coverage, faster speeds
- Juab County, UT: more cable coverage, faster speeds
- Wyoming County, WV: more cable coverage, faster speeds
- Wyandot County, OH: more cable coverage, faster speeds
- Wright County, MO: less cable coverage, faster speeds
- Wright County, IA: more cable coverage, faster speeds
- Kearney County, NE: more cable coverage, faster speeds