In Mercer County there are 5 residential Fiber providers covering 55.49% of the county. The average home can get speeds up to 3,225 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 Fiber 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
Fiber 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 fiber internet available?
Fiber Internet Availability Key
Fiber is available in 55.49% of Mercer County. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is Frontier. Call one of the companies with service in Mercer County above to see who has service at your home.
How fast is fiber internet in Mercer County?
The map below shows maximum fiber internet speeds by area in Mercer County.
Fiber Internet Speed Key
The average Mercer County home can get up to 3,225 Mbps on their fiber internet plan. The fastest fiber download speed in the county is 7,000 Mbps, which 20.57% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 34.92% 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 Mercer County.
Fiber internet speeds tend to be faster in the central parts of Mercer County, and slower in the northeast areas of the county.
Is fiber 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, cable competes most often with fiber 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.
Fiber 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.
Viola Home Telephone Company Fiber in Mercer County, IL
Viola Home Telephone Company fiber coverage
About 29.41%, or 4,617 people, have Viola Home Telephone Company fiber internet available to them in the county. The company covers the central, east, northeast, and southeast Mercer County area. Viola Home Telephone Company is a small internet service provider internet service providers in the US, with internet service available in a small portion of Mercer County.
Viola Home Telephone Company fiber download speeds
Viola Home Telephone Company is above average when comparing download speeds to all other internet providers in Mercer County. Versus other fiber providers in the area, Viola Home Telephone Company fiber is one of the slowest. There are no different maximum speeds throughout Mercer County. The fastest plan anyone in Mercer County can order from Viola Home Telephone Company 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
Viola Home Telephone Company fiber upload speeds
In Mercer County download speeds tend to be equal to than upload speeds for Viola Home Telephone Company fiber. Compared to other ISPs, Viola Home Telephone Company is above average where upload speeds are concerned, and one of the slowest compared to other Mercer County fiber providers. Viola Home Telephone Company offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Mercer County is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
Frontier Communications Fiber in Mercer County, IL
Frontier fiber coverage
About 20.57%, or 3,230 people, have Frontier fiber internet available to them in the county. The company covers the central Mercer County area. Frontier is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Mercer County.
Frontier Communications fiber download speeds
Frontier is the fastest when comparing download speeds to all other internet providers in Mercer County. Versus other fiber providers in the area, Frontier fiber is the fastest. There are no different maximum speeds throughout Mercer County. The fastest plan anyone in Mercer County can order from Frontier goes up to 7,000 Mbps, and all Mercer County customers can get this speed.
Show all download speeds
- 100.0% up to 7,000.0 Mbps
Frontier Communications fiber upload speeds
In Mercer County download speeds tend to be equal to than upload speeds for Frontier fiber. Compared to other ISPs, Frontier is the fastest where upload speeds are concerned, and the fastest compared to other Mercer County fiber providers. Frontier offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Mercer County is up to 7,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 7,000.0 Mbps
New Windsor Telephone and Cable TV Fiber in Mercer County, IL
New Windsor Telephone and Cable TV fiber coverage
About 17.76%, or 2,788 people, have New Windsor Telephone and Cable TV fiber internet available to them in the county. The company covers the northeast, east, and southeast Mercer County area. New Windsor Telephone and Cable TV is a small internet service provider internet service providers in the US, with internet service available in a small portion of Mercer County.
New Windsor Telephone and Cable TV fiber download speeds
New Windsor Telephone and Cable TV is above average when comparing download speeds to all other internet providers in Mercer County. Versus other fiber providers in the area, New Windsor Telephone and Cable TV fiber is one of the slowest. There are no different maximum speeds throughout Mercer County. The fastest plan anyone in Mercer County can order from New Windsor Telephone and Cable TV 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
New Windsor Telephone and Cable TV fiber upload speeds
In Mercer County download speeds tend to be equal to than upload speeds for New Windsor Telephone and Cable TV fiber. Compared to other ISPs, New Windsor Telephone and Cable TV is above average where upload speeds are concerned, and one of the slowest compared to other Mercer County fiber providers. New Windsor Telephone and Cable TV offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Mercer County is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
Woodhull Telephone Company Fiber in Mercer County, IL
Woodhull Telephone fiber coverage
About 4.45%, or 699 people, have Woodhull Telephone fiber internet available to them in the county. The company covers the east Mercer County area. Woodhull Telephone is a small internet service provider internet service providers in the US, with internet service available in a very small piece of Mercer County.
Woodhull Telephone Company fiber download speeds
Woodhull Telephone is above average when comparing download speeds to all other internet providers in Mercer County. Versus other fiber providers in the area, Woodhull Telephone fiber is one of the slowest. There are no different maximum speeds throughout Mercer County. The fastest plan anyone in Mercer County can order from Woodhull Telephone 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
Woodhull Telephone Company fiber upload speeds
In Mercer County download speeds tend to be equal to than upload speeds for Woodhull Telephone fiber. Compared to other ISPs, Woodhull Telephone is above average where upload speeds are concerned, and one of the slowest compared to other Mercer County fiber providers. Woodhull Telephone offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Mercer County is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
Reynolds Telephone Company Fiber in Mercer County, IL
Reynolds Telephone Company fiber coverage
About 3.22%, or 505 people, have Reynolds Telephone Company fiber internet available to them in the county. The company covers the north, northwest, and northeast Mercer County area. Reynolds Telephone Company is a small internet service provider internet service providers in the US, with internet service available in a very small piece of Mercer County.
Reynolds Telephone Company fiber download speeds
Reynolds Telephone Company is above average when comparing download speeds to all other internet providers in Mercer County. Versus other fiber providers in the area, Reynolds Telephone Company fiber is one of the slowest. There are no different maximum speeds throughout Mercer County. The fastest plan anyone in Mercer County can order from Reynolds Telephone Company 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
Reynolds Telephone Company fiber upload speeds
In Mercer County download speeds tend to be equal to than upload speeds for Reynolds Telephone Company fiber. Compared to other ISPs, Reynolds Telephone Company is above average where upload speeds are concerned, and one of the slowest compared to other Mercer County fiber providers. Reynolds Telephone Company offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Mercer County is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
Mercer County Fiber 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 fiber internet in Mercer County compare to the rest of Illinois?
Fiber internet speeds in Mercer County are much faster versus the average speeds in Illinois: 0.00 Mbps in Illinois versus 3,225 Mbps in the county. The state has similar fiber availability compared to the county. Average fiber coverage in Illinois is 0.00% versus 55.49% in Mercer County.
What zip codes have fiber internet?
Fiber 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 fiber 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 fiber coverage, slower speeds
- Henry County, IL: more fiber coverage, slower speeds
- Washington County, IA: more fiber coverage, slower speeds
- Bureau County, IL: less fiber coverage, faster speeds
- Putnam County, IL: less fiber coverage, slower speeds
- Keokuk County, IA: more fiber coverage, slower speeds
- LaSalle County, IL: less fiber coverage, faster speeds
- Mahaska County, IA: more fiber coverage, slower speeds
- Grundy County, IL: less fiber coverage, slower speeds
- Marion County, IA: more fiber coverage, slower speeds
Counties with Similar Populations
- Worth County, GA: more fiber coverage, slower speeds
- Jones County, IA: more fiber coverage, slower speeds
- Jones County, NC: more fiber coverage, slower speeds
- Yalobusha County, MS: more fiber coverage, faster speeds
- Juab County, UT: more fiber coverage, slower speeds
- Wyoming County, WV: less fiber coverage, faster speeds
- Wyandot County, OH: more fiber coverage, faster speeds
- Wright County, MO: less fiber coverage, slower speeds
- Kane County, UT: more fiber coverage, slower speeds
- Wright County, IA: more fiber coverage, slower speeds