In Clarke County there are 2 residential Fiber providers covering 65.92% of the county. The average home can get speeds up to 1,634 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 Clarke County, IA.
To see availability maps for all providers including fiber, cable, DSL, and more in Clarke County, IA please click below.
Clarke County, IA Availability Maps
Fiber Internet Service Providers in Clarke 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 Clarke County are not shown.
Clarke 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 Clarke County is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 65.92% of Clarke County. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is Windstream. Call one of the companies with service in Clarke County above to see who has service at your home.
How fast is fiber internet in Clarke County?
The map below shows maximum fiber internet speeds by area in Clarke County.
Fiber Internet Speed Key
The average Clarke County home can get up to 1,634 Mbps on their fiber internet plan. The fastest fiber download speed in the county is 10,000 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, 27.90% 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 Clarke County.
Fiber internet speeds tend to be faster in the north parts of Clarke County, and slower in the southwest areas of the county.
Is fiber the fastest internet I can get in Clarke County?
The fastest internet for you may vary based on where in Clarke County you live. In general, fixed wireless competes most often with fiber in the county.
- Fiber is the fastest internet type for 65.92% of Clarke County homes.
- Cable is fastest for 4.06% of the county.
- DSL is fastest for 2.94%.
- Fixed wireless is fastest for 26.95%.
- Satellite internet may be the only option for less than 1% of Clarke County homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in Clarke County, along with details on where in Clarke County and at what speeds.
Windstream Fiber in Clarke County, IA
Windstream fiber coverage
About 46.88%, or 4,570 people, have Windstream fiber internet available to them in the county. The company covers the central, east, southeast, south, and north Clarke County area. Windstream is one of the largest internet service providers internet service providers in the US, with internet service available in some of Clarke County.
Windstream fiber download speeds
Windstream is above average when comparing download speeds to all other internet providers in Clarke County. Versus other fiber providers in the area, Windstream fiber is below average. There are 2 different maximum speeds throughout Clarke County. The fastest plan anyone in Clarke County can order from Windstream goes up to 2,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the county-wide average maximum speed for Clarke County customers is up to 1,801 Mbps.
Show all download speeds
- 80.1% up to 2,000.0 Mbps
- 19.9% up to 1,000.0 Mbps
Windstream fiber upload speeds
In Clarke County download speeds tend to be equal to than upload speeds for Windstream fiber. Compared to other ISPs, Windstream is above average where upload speeds are concerned, and below average compared to other Clarke County fiber providers. Windstream 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 Clarke County is up to 2,000 Mbps. Some customers have slower plan choices, which only go up to 1,000 Mbps. On average, Windstream customers can get speeds up to 1,801 Mbps.
Show all upload speeds
- 80.1% up to 2,000.0 Mbps
- 19.9% up to 1,000.0 Mbps
GRM Networks Fiber in Clarke County, IA
GRM Networks fiber coverage
About 18.59%, or 1,812 people, have GRM Networks fiber internet available to them in the county. The company covers the northwest, southwest, west, southeast, and south Clarke County area. GRM Networks is a large internet service provider internet service providers in the US, with internet service available in a small portion of Clarke County.
GRM Networks fiber download speeds
GRM Networks is average when comparing download speeds to all other internet providers in Clarke County. Versus other fiber providers in the area, GRM Networks fiber is the slowest. There are no different maximum speeds throughout Clarke County. The fastest plan anyone in Clarke County can order from GRM Networks goes up to 1,000 Mbps, and all Clarke County customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
GRM Networks fiber upload speeds
In Clarke County download speeds tend to be equal to than upload speeds for GRM Networks fiber. Compared to other ISPs, GRM Networks is above average where upload speeds are concerned, and the slowest compared to other Clarke County fiber providers. GRM Networks offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Clarke 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
Clarke County Fiber by Area
This information is most helpful to those looking for homes or considering moving to Clarke County or any of the areas nearby.
How does fiber internet in Clarke County compare to the rest of Iowa?
Fiber internet speeds in Clarke County are much faster versus the average speeds in Iowa: 0.00 Mbps in Iowa versus 1,634 Mbps in the county. The state has similar fiber availability compared to the county. Average fiber coverage in Iowa is 0.00% versus 65.92% in Clarke County.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around Clarke 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
- Lucas County, IA: less fiber coverage, slower speeds
- Union County, IA: less fiber coverage, faster speeds
- Adams County, IA: less fiber coverage, slower speeds
- Monroe County, IA: less fiber coverage, slower speeds
- Wapello County, IA: less fiber coverage, slower speeds
- Montgomery County, IA: more fiber coverage, slower speeds
- Jefferson County, IA: more fiber coverage, slower speeds
- Mills County, IA: more fiber coverage, slower speeds
- Henry County, IA: less fiber coverage, slower speeds
- Sarpy County, NE: more fiber coverage, faster speeds
Counties with Similar Populations
- Madison County, FL: more fiber coverage, faster speeds
- Linn County, MO: more fiber coverage, slower speeds
- Little River County, AR: less fiber coverage, slower speeds
- Livingston County, MO: more fiber coverage, slower speeds
- Logan County, KS: more fiber coverage, slower speeds
- Long County, GA: less fiber coverage, slower speeds
- Los Alamos County, NM: less fiber coverage, slower speeds
- Louisa County, IA: less fiber coverage, slower speeds
- Loving County, TX: less fiber coverage, slower speeds
- Lowndes County, AL: less fiber coverage, slower speeds