In Clark County there are 3 residential Fiber providers covering 64.52% of the county. The average home can get speeds up to 2,159 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 Clark County, IL.
To see availability maps for all providers including fiber, cable, DSL, and more in Clark County, IL please click below.
Clark County, IL Availability Maps
Fiber Internet Service Providers in Clark 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 Clark County are not shown.
Clark 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 Clark County is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 64.52% of Clark County. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is Conxxus. Call one of the companies with service in Clark County above to see who has service at your home.
How fast is fiber internet in Clark County?
The map below shows maximum fiber internet speeds by area in Clark County.
Fiber Internet Speed Key
The average Clark County home can get up to 2,159 Mbps on their fiber internet plan. The fastest fiber download speed in the county is 7,000 Mbps, which less than 1% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 3.26% of homes can only purchase plans up to 500 Mbps. See the internet provider details below for info about their speed and coverage in Clark County.
Fiber internet speeds tend to be faster in the southwest parts of Clark County, and slower in the north areas of the county.
Is fiber the fastest internet I can get in Clark County?
The fastest internet for you may vary based on where in Clark County you live. In general, fixed wireless competes most often with fiber in the county.
- Fiber is the fastest internet type for 64.52% of Clark County homes.
- Cable is fastest for 3.92% of the county.
- DSL is fastest for 4.10%.
- Fixed wireless is fastest for 23.47%.
- Satellite internet may be the only option for 3.99% of Clark County homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in Clark County, along with details on where in Clark County and at what speeds.
Seamless Fiber Innovations Fiber in Clark County, IL
Seamless Fiber Innovations fiber coverage
About 61.17%, or 9,454 people, have Seamless Fiber Innovations fiber internet available to them in the county. The company covers the northeast, southwest, central, east, west, north, and south Clark County area. Seamless Fiber Innovations is a small internet service provider internet service providers in the US, with internet service available in a majority of Clark County.
Seamless Fiber Innovations fiber download speeds
Seamless Fiber Innovations is below average when comparing download speeds to all other internet providers in Clark County. Versus other fiber providers in the area, Seamless Fiber Innovations fiber is below average. There are no different maximum speeds throughout Clark County. The fastest plan anyone in Clark County can order from Seamless Fiber Innovations goes up to 1,000 Mbps, and all Clark County customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Seamless Fiber Innovations fiber upload speeds
In Clark County download speeds tend to be equal to than upload speeds for Seamless Fiber Innovations fiber. Compared to other ISPs, Seamless Fiber Innovations is average where upload speeds are concerned, and below average compared to other Clark County fiber providers. Seamless Fiber Innovations offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Clark 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
Conxxus Fiber in Clark County, IL
Conxxus fiber coverage
About 19.04%, or 2,942 people, have Conxxus fiber internet available to them in the county. The company covers the southwest and west Clark County area. Conxxus is a large internet service provider internet service providers in the US, with internet service available in a small portion of Clark County.
Conxxus fiber download speeds
Conxxus is above average when comparing download speeds to all other internet providers in Clark County. Versus other fiber providers in the area, Conxxus fiber is above average. There are no different maximum speeds throughout Clark County. The fastest plan anyone in Clark County can order from Conxxus goes up to 5,000 Mbps, and all Clark County customers can get this speed.
Show all download speeds
- 100.0% up to 5,000.0 Mbps
Conxxus fiber upload speeds
In Clark County download speeds tend to be equal to than upload speeds for Conxxus fiber. Compared to other ISPs, Conxxus is above average where upload speeds are concerned, and above average compared to other Clark County fiber providers. Conxxus offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Clark 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
Clarksville Mutual Telephone Company Fiber in Clark County, IL
Clarksville Mutual Telephone Company fiber coverage
About 3.46%, or 535 people, have Clarksville Mutual Telephone Company fiber internet available to them in the county. The company covers the north Clark County area. Clarksville Mutual Telephone Company is one of the smallest internet service providers internet service providers in the US, with internet service available in a very small piece of Clark County.
Clarksville Mutual Telephone Company fiber download speeds
Clarksville Mutual Telephone Company is below average when comparing download speeds to all other internet providers in Clark County. Versus other fiber providers in the area, Clarksville Mutual Telephone Company fiber is the slowest. There are no different maximum speeds throughout Clark County. The fastest plan anyone in Clark County can order from Clarksville Mutual Telephone Company goes up to 500 Mbps, and all Clark County customers can get this speed.
Show all download speeds
- 100.0% up to 500.0 Mbps
Clarksville Mutual Telephone Company fiber upload speeds
In Clark County download speeds tend to be equal to than upload speeds for Clarksville Mutual Telephone Company fiber. Compared to other ISPs, Clarksville Mutual Telephone Company is below average where upload speeds are concerned, and the slowest compared to other Clark County fiber providers. Clarksville Mutual Telephone Company offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Clark County is up to 500 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 500.0 Mbps
Clark County Fiber by Area
This information is most helpful to those looking for homes or considering moving to Clark County or any of the areas nearby.
How does fiber internet in Clark County compare to the rest of Illinois?
Fiber internet speeds in Clark County are much faster versus the average speeds in Illinois: 0.00 Mbps in Illinois versus 2,159 Mbps in the county. The state has similar fiber availability compared to the county. Average fiber coverage in Illinois is 0.00% versus 64.52% in Clark County.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around Clark 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
- Vigo County, IN: more fiber coverage, faster speeds
- Cumberland County, IL: less fiber coverage, faster speeds
- Coles County, IL: more fiber coverage, slower speeds
- Clay County, IN: more fiber coverage, faster speeds
- Owen County, IN: more fiber coverage, slower speeds
- Shelby County, IL: less fiber coverage, faster speeds
- Brown County, IN: more fiber coverage, slower speeds
- Bartholomew County, IN: more fiber coverage, faster speeds
- Decatur County, IN: less fiber coverage, slower speeds
- Greene County, IL: less fiber coverage, faster speeds
Counties with Similar Populations
- Mercer County, IL: less fiber coverage, faster speeds
- Martin County, IN: more fiber coverage, slower speeds
- Martin County, KY: less fiber coverage, slower speeds
- Martinsville City, VA: more fiber coverage, slower speeds
- Mason County, IL: more fiber coverage, slower speeds
- Massac County, IL: more fiber coverage, faster speeds
- Mathews County, VA: less fiber coverage, slower speeds
- Maunabo Municipio, PR: more fiber coverage, slower speeds
- McCormick County, SC: more fiber coverage, faster speeds
- McCreary County, KY: more fiber coverage, slower speeds