In Clark there are 5 residential internet providers covering 100.00% of the city. The average home can get speeds up to 1,000 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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5 Internet Service Providers in Clark
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 are not shown.
Clark 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
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.
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Internet service is available in 100.00% of Clark. 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 with more confidence that they might be available.
How fast are internet speeds in Clark?
The map below shows maximum internet speeds by area in Clark.
Internet Speed Key
The average Clark home can get up to 1,000 Mbps on their internet plan. For most people, the fastest download speed in the city is 1,000 Mbps, which 100.00% of residents can get.
What type of internet should I choose in Clark?
The fastest internet for you may vary based on where in Clark you live. If speed is your main concern, fiber will be the fastest internet in the city.
- Fiber is the fastest internet type for 100.00% of Clark homes.
- Cable is fastest for less than 1% of the city.
- 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 Clark homes.
Internet Market Health in Clark
Internet Competition Key
The map shows how competitive the Clark 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 based on what connections the average home has availabile:
- Average number of internet service providers to a home: 1.2 (very unhealthy)
- Average types of service (fiber, cable, DSL, etc): 1.2 (very unhealthy)
- Average providers with broadband (25 Mbps+) speeds: 1.2 (very unhealthy)
Overall, competition is very unhealthy.
Clark internet customers have the ability to buy internet service from 1 to 2 different providers, depending on where they live. For different types of service, Clark 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 city.
When it comes to broadband download speeds faster than 25 Mbps, the situation is similar. Clark internet customers who want faster speeds have between 1 and 2 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 badly needs improvement.
TV & Internet Providers in Depth
Below you'll find which TV and internet providers offer service in Clark, along with details on where in Clark and at what speeds.
Interstate Telecommunications Cooperative Fiber in Clark, SD
ITC fiber coverage
About 100.00%, or 1,400 people, have ITC fiber internet available to them in the city. The company covers the entire Clark area. ITC is a large internet service provider internet service providers in the US, with internet service available in every corner of Clark.
Interstate Telecommunications Cooperative fiber download speeds
ITC is the fastest when comparing download speeds to all other internet providers in Clark. Versus other fiber providers in the area, ITC fiber is the fastest. There are no different maximum speeds throughout Clark. The fastest plan anyone in Clark can order from ITC goes up to 1,000 Mbps, and all Clark 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 download speeds tend to be equal to than upload speeds for ITC fiber. Compared to other ISPs, ITC is the fastest where upload speeds are concerned, and the fastest compared to other Clark fiber providers. ITC offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Clark is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
Verizon Fixed Wireless in Clark, SD
Verizon fixed wireless coverage
About 18.64%, or 261 people, have Verizon fixed wireless internet available to them in the city. The company covers the central, south, northwest, northeast, southeast, and north Clark 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.
Verizon fixed wireless download speeds
Verizon is below average when comparing download speeds to all other internet providers in Clark. Versus other fixed wireless providers in the area, Verizon fixed wireless is the fastest. There are no different maximum speeds throughout Clark. The fastest plan anyone in Clark can order from Verizon goes up to 300 Mbps, and all Clark customers can get this speed.
Show all download speeds
- 100.0% up to 300.0 Mbps
Verizon fixed wireless upload speeds
In Clark download speeds tend to be faster than than upload speeds for Verizon fixed wireless. Compared to other ISPs, Verizon is one of the slowest where upload speeds are concerned, and one of the slowest compared to other Clark fixed wireless providers. Verizon offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Clark 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, SD
T-Mobile Home Internet fixed wireless coverage
About 1.00%, or 14 people, have T-Mobile Home Internet fixed wireless internet available to them in the city. The company covers the southwest Clark 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.
T-Mobile Home Internet fixed wireless download speeds
T-Mobile Home Internet is the slowest when comparing download speeds to all other internet providers in Clark. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is the slowest. There are no different maximum speeds throughout Clark. The fastest plan anyone in Clark can order from T-Mobile Home Internet goes up to 100 Mbps, and all Clark customers can get this speed.
Show all download speeds
- 100.0% up to 100.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In Clark 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 one of the slowest where upload speeds are concerned, and one of the slowest compared to other Clark fixed wireless providers. T-Mobile Home Internet offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Clark is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
Clark Internet by Area
This information is most helpful to those looking for homes or considering moving to Clark or any of the areas nearby.
How does internet in Clark compare to the rest of South Dakota?
Internet speeds in Clark are slower versus the average speeds in South Dakota: 1,953 Mbps in South Dakota versus 1,000 Mbps in the city. The state has similar internet availability compared to the city. Average internet coverage in South Dakota is 98.12% versus 100.00% in Clark.
What zip codes have widespread internet?
Internet coverage varies by zip code and neighborhood. Some examples in or around Clark 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 cities?
Below are cities nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Cities
- Garden City, SD: less internet coverage, similar speeds
- Raymond, SD: less internet coverage, slower speeds
- Vienna, SD: equal internet coverage, similar speeds
- Crocker, SD: less internet coverage, similar speeds
- Bradley, SD: less internet coverage, similar speeds
- Henry, SD: less internet coverage, similar speeds
- Willow Lake, SD: less internet coverage, similar speeds
- Doland, SD: equal internet coverage, faster speeds
- Hillside Colony, SD: equal internet coverage, similar speeds
- Hazel, SD: less internet coverage, similar speeds
Cities with Similar Populations
- Akeley, MN: less internet coverage, slower speeds
- Ranchester, WY: less internet coverage, slower speeds
- Ralph, AL: less internet coverage, slower speeds
- Queens Village, NY: equal internet coverage, faster speeds
- Pierceville, KS: less internet coverage, faster speeds
- Paradis, LA: less internet coverage, faster speeds
- Oakland, IL: less internet coverage, faster speeds
- North Salem, IN: equal internet coverage, faster speeds
- New Beaver, PA: less internet coverage, faster speeds
- Moore, TX: less internet coverage, slower speeds