In Clay County there are 3 residential Fiber providers covering 99.79% of the county. The average home can get speeds up to 6,928 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 Clay County, IL.
To see availability maps for all providers including fiber, cable, DSL, and more in Clay County, IL please click below.
Clay County, IL Availability Maps
Fiber Internet Service Providers in Clay 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 Clay County are not shown.
Clay 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 Clay County is fiber internet available?

Fiber Internet Availability Key
Fiber is available in 99.79% of Clay County. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is Cable One. Call one of the companies with service in Clay County above to see who has service at your home.
How fast is fiber internet in Clay County?
The map below shows maximum fiber internet speeds by area in Clay County.

Fiber Internet Speed Key
The average Clay County home can get up to 6,928 Mbps on their fiber internet plan. The fastest fiber download speed in the county is 7,000 Mbps, which 98.52% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 1.17% 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 Clay County.
Fiber internet speeds tend to be faster in the southeast parts of Clay County, and slower in the south areas of the county.
Is fiber the fastest internet I can get in Clay County?
The fastest internet for you may vary based on where in Clay County you live. In general, satellite competes most often with fiber in the county.
- Fiber is the fastest internet type for 99.79% of Clay County homes.
- Cable is fastest for less than 1% of the county.
- 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 Clay County homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in Clay County, along with details on where in Clay County and at what speeds.
Sparklight Fiber in Clay County, IL

Sparklight fiber coverage
About 98.52%, or 13,091 people, have Sparklight fiber internet available to them in the county. The company covers the entire Clay County area. Sparklight is one of the largest internet service providers internet service providers in the US, with internet service available in most of Clay County.
Sparklight fiber download speeds
Sparklight is the fastest when comparing download speeds to all other internet providers in Clay County. Versus other fiber providers in the area, Sparklight fiber is the fastest. There are no different maximum speeds throughout Clay County. The fastest plan anyone in Clay County can order from Sparklight goes up to 7,000 Mbps, and all Clay County customers can get this speed.
Show all download speeds
- 100.0% up to 7,000.0 Mbps
Sparklight fiber upload speeds
In Clay County download speeds tend to be equal to than upload speeds for Sparklight fiber. Compared to other ISPs, Sparklight is the fastest where upload speeds are concerned, and the fastest compared to other Clay County fiber providers. Sparklight offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Clay 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
Wabash Communications Fiber in Clay County, IL

Wabash Communications fiber coverage
About 95.50%, or 12,690 people, have Wabash Communications fiber internet available to them in the county. The company covers the entire Clay County area. Wabash Communications is a large internet service provider internet service providers in the US, with internet service available in most of Clay County.
Wabash Communications fiber download speeds
Wabash Communications is below average when comparing download speeds to all other internet providers in Clay County. Versus other fiber providers in the area, Wabash Communications fiber is the slowest. There are no different maximum speeds throughout Clay County. The fastest plan anyone in Clay County can order from Wabash Communications goes up to 1,000 Mbps, and all Clay County customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Wabash Communications fiber upload speeds
In Clay County download speeds tend to be equal to than upload speeds for Wabash Communications fiber. Compared to other ISPs, Wabash Communications is below average where upload speeds are concerned, and the slowest compared to other Clay County fiber providers. Wabash Communications offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Clay 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 Clay County, IL

Frontier fiber coverage
About 39.33%, or 5,226 people, have Frontier fiber internet available to them in the county. The company covers the south, central, southwest, and east Clay County area. Frontier is one of the largest internet service providers internet service providers in the US, with internet service available in some of Clay County.
Frontier Communications fiber download speeds
Frontier is above average when comparing download speeds to all other internet providers in Clay County. Versus other fiber providers in the area, Frontier fiber is above average. There are no different maximum speeds throughout Clay County. The fastest plan anyone in Clay County can order from Frontier goes up to 5,000 Mbps, and all Clay County customers can get this speed.
Show all download speeds
- 100.0% up to 5,000.0 Mbps
Frontier Communications fiber upload speeds
In Clay County download speeds tend to be equal to than upload speeds for Frontier fiber. Compared to other ISPs, Frontier is above average where upload speeds are concerned, and above average compared to other Clay County fiber providers. Frontier offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Clay County is up to 5,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 5,000.0 Mbps
Clay County Fiber by Area
This information is most helpful to those looking for homes or considering moving to Clay County or any of the areas nearby.
How does fiber internet in Clay County compare to the rest of Illinois?
Fiber internet speeds in Clay County are much faster versus the average speeds in Illinois: 0.00 Mbps in Illinois versus 6,928 Mbps in the county. The state has similar fiber availability compared to the county. Average fiber coverage in Illinois is 0.00% versus 99.79% in Clay County.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around Clay 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
- Richland County, IL: less fiber coverage, faster speeds
- Lawrence County, IL: less fiber coverage, slower speeds
- Bond County, IL: less fiber coverage, faster speeds
- Knox County, IN: less fiber coverage, slower speeds
- Daviess County, IN: less fiber coverage, slower speeds
- Madison County, IL: less fiber coverage, slower speeds
- Martin County, IN: less fiber coverage, slower speeds
- St. Louis City, MO: less fiber coverage, slower speeds
- St. Louis County, MO: less fiber coverage, slower speeds
- Lawrence County, IN: less fiber coverage, slower speeds
Counties with Similar Populations
- Morgan County, KY: less fiber coverage, slower speeds
- Lee County, KY: less fiber coverage, slower speeds
- Lee County, SC: less fiber coverage, slower speeds
- Lee County, TX: less fiber coverage, slower speeds
- Lee County, VA: less fiber coverage, slower speeds
- Leelanau County, MI: less fiber coverage, slower speeds
- Lemhi County, ID: less fiber coverage, slower speeds
- Leslie County, KY: less fiber coverage, slower speeds
- Letcher County, KY: less fiber coverage, slower speeds
- Lewis County, ID: less fiber coverage, slower speeds


