In Clark County there are 9 residential internet providers covering 96.74% of the county. The average home can get speeds up to 987 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.
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9 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
Availability maps for all providers in Clark County
Using the dropdown below, please select a provider. Green indicates nearly all homes have service, red indicates few homes have service, and blank indicates no service.
Please note some providers will take longer to load than others
Internet service is available in 96.74% of Clark County. Using our interactive availability map, you can compare service areas for different providers, we include fiber, cable, DSL, or fixed wireless internet service for all providers who offer it. You will notice that some providers might be listed multiple times for each service. If you find no providers cover the location you're looking at, you can opt for satellite service. The most widely available provider is ITC. Now you can call companies in Clark County with more confidence that they might be available.
How fast are internet speeds in Clark County?
The map below shows maximum internet speeds by area in Clark County.
Internet Speed Key
The average Clark County home can get up to 987 Mbps on their internet plan. For most people, the fastest download speed in the county is 1,000 Mbps, which 95.23% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 1.51% of homes can only purchase plans up to 150 Mbps. See the internet provider details below for info about their speed and coverage in Clark County.
Internet speeds tend to be faster in the central parts of Clark County, and slower in the southwest areas of the county.
What type of internet should I choose in Clark County?
The fastest internet for you may vary based on where in Clark County you live. If speed is your main concern, fiber will be the fastest internet in the county.
- Fiber is the fastest internet type for 95.23% of Clark County homes.
- Cable is fastest for less than 1% of the county.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 1.51%.
- Satellite internet may be the only option for 3.26% of Clark County homes.
Internet Market Health in Clark County
Internet Competition Key
The map shows how competitive the Clark County internet service market is. Areas in green have more alternatives, areas in yellow have a few choices, and areas in red may have only one provider. More competition usually means faster speeds and better prices for you, the customer.
Below are quick facts on internet competition and market health in Clark County based on what connections the average home has availabile:
- Average number of internet service providers to a home: 1.6 (very unhealthy)
- Average types of service (fiber, cable, DSL, etc): 1.4 (very unhealthy)
- Average providers with broadband (25 Mbps+) speeds: 1.6 (very unhealthy)
Overall, competition is very unhealthy.
Clark County internet customers have the ability to buy internet service from 1 to 5 different providers, depending on where they live. For different types of service, Clark County homes have between 1 and 2 options. The type(s) of service available are fiber and fixed wireless, though these may vary depending on the region within the county.
When it comes to broadband download speeds faster than 25 Mbps, the situation is similar. Clark County internet customers who want faster speeds have between 1 and 5 choices of companies offering speeds up to or over 25 Mbps.
More internet companies with faster speeds means fewer monopolies and better prices for customers. In promoting a free market for internet, Clark County badly needs improvement.
TV & Internet 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.
Interstate Telecommunications Cooperative Fiber in Clark County, SD
ITC fiber coverage
About 93.28%, or 3,579 people, have ITC fiber internet available to them in the county. The company covers the entire Clark County area. ITC is a large internet service provider internet service providers in the US, with internet service available in most of Clark County.
Interstate Telecommunications Cooperative fiber download speeds
ITC is one of the fastest when comparing download speeds to all other internet providers in Clark County. Versus other fiber providers in the area, ITC fiber is one of the fastest. There are no different maximum speeds throughout Clark County. The fastest plan anyone in Clark County can order from ITC 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
Interstate Telecommunications Cooperative fiber upload speeds
In Clark County download speeds tend to be equal to than upload speeds for ITC fiber. Compared to other ISPs, ITC is one of the fastest where upload speeds are concerned, and one of the fastest compared to other Clark County fiber providers. ITC 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
NVC Fiber in Clark County, SD
NVC fiber coverage
About 1.46%, or 56 people, have NVC fiber internet available to them in the county. The company covers the northwest Clark County area. NVC is a large internet service provider internet service providers in the US, with internet service available in a very small piece of Clark County.
NVC fiber download speeds
NVC is one of the fastest when comparing download speeds to all other internet providers in Clark County. Versus other fiber providers in the area, NVC fiber is one of the fastest. There are no different maximum speeds throughout Clark County. The fastest plan anyone in Clark County can order from NVC 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
NVC fiber upload speeds
In Clark County download speeds tend to be faster than than upload speeds for NVC fiber. Compared to other ISPs, NVC is below average where upload speeds are concerned, and the slowest compared to other Clark County fiber providers. NVC offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Clark County is up to 200 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 200.0 Mbps
GigFire Fixed Wireless in Clark County, SD
GigFire fixed wireless coverage
About 27.29%, or 1,047 people, have GigFire fixed wireless internet available to them in the county. The company covers the southeast, south, southwest, east, west, and central Clark County area. GigFire is a large internet service provider internet service providers in the US, with internet service available in a small portion of Clark County.
GigFire fixed wireless download speeds
GigFire is below average when comparing download speeds to all other internet providers in Clark County. Versus other fixed wireless providers in the area, GigFire fixed wireless is above average. There are 4 different maximum speeds throughout Clark County. The fastest plan anyone in Clark County can order from GigFire goes up to 150 Mbps, the slowest package only goes up to 99 Mbps, and the county-wide average maximum speed for Clark County customers is up to 147 Mbps.
Show all download speeds
- 90.1% up to 150.0 Mbps
- 5.5% up to 140.0 Mbps
- 0.5% up to 100.0 Mbps
- 3.9% up to 99.0 Mbps
GigFire fixed wireless upload speeds
In Clark County download speeds tend to be faster than than upload speeds for GigFire fixed wireless. Compared to other ISPs, GigFire is below average where upload speeds are concerned, and the fastest compared to other Clark County fixed wireless providers. GigFire offers 3 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 Clark County is up to 130 Mbps. Some customers have slower plan choices, which only go up to 20 Mbps. On average, GigFire customers can get speeds up to 120 Mbps.
Show all upload speeds
- 90.1% up to 130.0 Mbps
- 5.5% up to 40.0 Mbps
- 4.4% up to 20.0 Mbps
Verizon Fixed Wireless in Clark County, SD
Verizon fixed wireless coverage
About 21.27%, or 816 people, have Verizon fixed wireless internet available to them in the county. The company covers the central, south, southeast, north, northeast, west, east, and southwest Clark County area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Clark County.
Verizon fixed wireless download speeds
Verizon is below average when comparing download speeds to all other internet providers in Clark County. Versus other fixed wireless providers in the area, Verizon fixed wireless is the fastest. There are no different maximum speeds throughout Clark County. The fastest plan anyone in Clark County can order from Verizon goes up to 300 Mbps, and all Clark County customers can get this speed.
Show all download speeds
- 100.0% up to 300.0 Mbps
Verizon fixed wireless upload speeds
In Clark County download speeds tend to be faster than than upload speeds for Verizon fixed wireless. Compared to other ISPs, Verizon is below average where upload speeds are concerned, and below average compared to other Clark County fixed wireless providers. Verizon offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Clark County is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
T-Mobile Home Internet Fixed Wireless in Clark County, SD
T-Mobile Home Internet fixed wireless coverage
About 5.21%, or 200 people, have T-Mobile Home Internet fixed wireless internet available to them in the county. The company covers the east, south, central, northwest, and west Clark County area. T-Mobile Home Internet is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Clark County.
T-Mobile Home Internet fixed wireless download speeds
T-Mobile Home Internet is below average when comparing download speeds to all other internet providers in Clark County. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is below average. There are 2 different maximum speeds throughout Clark County. The fastest plan anyone in Clark County can order from T-Mobile Home Internet goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the county-wide average maximum speed for Clark County customers is up to 54 Mbps.
Show all download speeds
- 38.0% up to 100.0 Mbps
- 62.0% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In Clark County download speeds tend to be faster than than upload speeds for T-Mobile Home Internet fixed wireless. Compared to other ISPs, T-Mobile Home Internet is below average where upload speeds are concerned, and below average compared to other Clark County fixed wireless providers. T-Mobile Home Internet 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 Clark County is up to 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, T-Mobile Home Internet customers can get speeds up to 9.5 Mbps.
Show all upload speeds
- 38.0% up to 20.0 Mbps
- 62.0% up to 3.0 Mbps
Midco Fixed Wireless in Clark County, SD
Midco fixed wireless coverage
About 5.16%, or 198 people, have Midco fixed wireless internet available to them in the county. The company covers the southwest, south, and southeast Clark County area. Midco is a large internet service provider internet service providers in the US, with internet service available in a very small piece of Clark County.
Midco fixed wireless download speeds
Midco is below average when comparing download speeds to all other internet providers in Clark County. Versus other fixed wireless providers in the area, Midco fixed wireless is average. There are no different maximum speeds throughout Clark County. The fastest plan anyone in Clark County can order from Midco goes up to 100 Mbps, and all Clark County customers can get this speed.
Show all download speeds
- 100.0% up to 100.0 Mbps
Midco fixed wireless upload speeds
In Clark County download speeds tend to be faster than than upload speeds for Midco fixed wireless. Compared to other ISPs, Midco is below average where upload speeds are concerned, and below average compared to other Clark County fixed wireless providers. Midco offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Clark County is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
wispwest.net Fixed Wireless in Clark County, SD
wispwest.net fixed wireless coverage
About 3.57%, or 137 people, have wispwest.net fixed wireless internet available to them in the county. The company covers the south, southwest, and southeast Clark County area. wispwest.net is a large internet service provider internet service providers in the US, with internet service available in a very small piece of Clark County.
wispwest.net fixed wireless download speeds
wispwest.net is below average when comparing download speeds to all other internet providers in Clark County. Versus other fixed wireless providers in the area, wispwest.net fixed wireless is below average. There are 3 different maximum speeds throughout Clark County. The fastest plan anyone in Clark County can order from wispwest.net goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the county-wide average maximum speed for Clark County customers is up to 51 Mbps.
Show all download speeds
- 4.4% up to 100.0 Mbps
- 89.8% up to 50.0 Mbps
- 5.8% up to 25.0 Mbps
wispwest.net fixed wireless upload speeds
In Clark County download speeds tend to be faster than than upload speeds for wispwest.net fixed wireless. Compared to other ISPs, wispwest.net is below average where upload speeds are concerned, and below average compared to other Clark County fixed wireless providers. wispwest.net offers 3 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 Clark County is up to 20 Mbps. Some customers have slower plan choices, which only go up to 8.0 Mbps. On average, wispwest.net customers can get speeds up to 10 Mbps.
Show all upload speeds
- 4.4% up to 20.0 Mbps
- 89.8% up to 10.0 Mbps
- 5.8% up to 8.0 Mbps
Clark County Internet 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 internet in Clark County compare to the rest of South Dakota?
Internet speeds in Clark County are slower versus the average speeds in South Dakota: 1,953 Mbps in South Dakota versus 987 Mbps in the county. The state has similar internet availability compared to the county. Average internet coverage in South Dakota is 98.12% versus 96.74% in Clark County.
What zip codes have widespread internet?
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 internet service 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
- Codington County, SD: more internet coverage, faster speeds
- Spink County, SD: more internet coverage, faster speeds
- Deuel County, SD: more internet coverage, faster speeds
- Lac qui Parle County, MN: more internet coverage, faster speeds
- Yellow Medicine County, MN: more internet coverage, faster speeds
- Chippewa County, MN: more internet coverage, slower speeds
- Sully County, SD: more internet coverage, faster speeds
- Renville County, MN: more internet coverage, slower speeds
- McLeod County, MN: more internet coverage, faster speeds
- Ziebach County, SD: more internet coverage, slower speeds
Counties with Similar Populations
- Rolette County, ND: more internet coverage, faster speeds
- San Miguel County, CO: more internet coverage, slower speeds
- Humphreys County, MS: more internet coverage, faster speeds
- Hutchinson County, SD: more internet coverage, faster speeds
- Hyde County, NC: less internet coverage, slower speeds
- Saguache County, CO: less internet coverage, faster speeds
- Rosebud County, MT: more internet coverage, slower speeds
- Iron County, MI: less internet coverage, slower speeds
- Iron County, MO: more internet coverage, slower speeds
- Roosevelt County, MT: more internet coverage, slower speeds