7 Best Internet Providers in Clark County, SD
Find internet availability by address in Clark County, SD
Jump to: Best Internet Provider | Availability Maps | Customer Reviews | Clark County ISP Report Card | Business Internet in Clark County
| Clark County ISP Report Card | C | |
| Download Speed for Most Households | 987 Mbps | |
| Number of Internet Service Providers | 7 | |
| Real Clark County Customer Ratings | 2 |
This page reflects the most recent FCC update from January 06, 2026, based on the Broadband Data Collection as of June 30, 2025.
This page reflects the most recent FCC update from January 06, 2026, based on the Broadband Data Collection as of June 30, 2025.
Clark County has 7 internet service providers, they are sorted by coverage, available speed, and customer rating from our unbiased internet provider report. Fiber and Fixed Wireless internet are available in the county. Reviews are grouped by provider and the type of service they offer, covering all 2 available internet technologies in Clark County.
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Clark County has 7 internet service providers, they are sorted by coverage, available speed, and customer rating from our unbiased internet provider report. Fiber and Fixed Wireless internet are available in the county. Reviews are grouped by provider and the type of service they offer, covering all 2 available internet technologies in Clark County.
Compare Providers Ranked by Coverage, Speed, and Customer Ratings
ITC
Connection
Customer Rating
Fiber
NVC
Connection
Customer Rating
Fiber
Above are the top 4 providers in Clark County, SD for most people based on high speed internet coverage, speeds, and customer reviews. Click below to see all providers in your county.
Speed and technology may vary by address for all providers. Please note we may have a financial relationship with some of the providers above, which does not impact the customer ratings displayed. Customer ratings listed above are national ratings, local Clark County ratings may vary and are shown below.
Who is the Best Internet Provider in Clark County, SD?
Interstate Telecommunications Cooperative is the best internet provider in Clark County based on South Dakota customer satisfaction ratings and reviews. Based on our extensive and unbiased survey, Interstate Telecommunications Cooperative had the best reviews at the local, state, and national levels versus all available providers in Clark County, making it a solid recommendation among providers with reviews. Interstate Telecommunications Cooperative is an option for 93.28% of the county.
The chart and table below show average customer ratings from customers in Clark County, South Dakota, and customers throughout the country.
Top Rated Internet Providers in Clark County
Local, State, and National Ratings for all Clark County Internet Providers
| ISP / Tech Type | Clark County Overall | South Dakota Overall | National Overall | For Service | ||
|---|---|---|---|---|---|---|
| ITC | (1) | (6) | (6) | View Plans | ||
| NVC | (1) | (1) | (1) | View Plans | ||
| Verizon | (0) | (2) | (723) | View Plans | ||
| Midco | (0) | (12) | (31) | View Plans | ||
| HughesNet | (0) | (1) | (18) | View Plans | ||
| T-Mobile Home Internet | (0) | (0) | (284) | View Plans | ||
| GigFire | (0) | (0) | (1) | View Plans | ||
| Viasat | (0) | (0) | (11) | View Plans | ||
| wispwest.net | (0) | (0) | (0) | View Plans |
Based on 22 reviews from South Dakota internet customers, Interstate Telecommunications Cooperative is the best internet service provider for Clark County residents. Interstate Telecommunications Cooperative was rated at an average of 4.50 out of 5 in our report for overall customer satisfaction. NVC wins for second-place in South Dakota, with 3.00 out of 5 stars and 1.5% coverage in Clark County.
At a national level, based on 1075 national reviews for any of the providers listed above, GigFire is rated higher than any other provider, with a rating of 3.00 out of 5.
Which Providers are Available at my Home in Clark County?
a different provider.

Internet Availability Key
Speeds and coverage vary within the county, and sometimes even from block to block. The map shows speeds per provider and where each provider is available.
Who is the Fastest Internet Provider in Clark County?
According to unbiased feedback from real internet customers in the county, they reported being happiest with speeds provided by Interstate Telecommunications Cooperative. On the other hand, based on data provided by the internet providers to the FCC, Interstate Telecommunications Cooperative, NVC, and Valley FiberCom should have faster speeds at a local level. While we typically put more weight on real-world customer ratings, we display both satisfaction and technical maximum information for customers to decide for themselves.
Data Reported to FCC by ISPs: Average Maximum Available in Clark County
| ISP / Tech Type | Max Advertised Speed | ||
|---|---|---|---|
| NVC | 1,000 Mbps | ||
| Interstate Telecommunications Cooperative | 1,000 Mbps | ||
| Verizon | 300 Mbps | ||
| GigFire | 150 Mbps | ||
| wispwest.net | 100 Mbps | ||
| Midco | 100 Mbps | ||
| T-Mobile Home Internet | 100 Mbps | ||
| Viasat | 100 Mbps | ||
| HughesNet | 25 Mbps |
Customer Ratings for Internet Provider Speeds in Clark County
| ISP / Tech Type | Clark County Speed | South Dakota Speed | National Speed | For Service | ||
|---|---|---|---|---|---|---|
| ITC | (1) | (6) | (6) | View Plans | ||
| NVC | (1) | (1) | (1) | View Plans | ||
| Verizon | (0) | (2) | (723) | View Plans | ||
| Midco | (0) | (12) | (31) | View Plans | ||
| HughesNet | (0) | (1) | (18) | View Plans | ||
| T-Mobile Home Internet | (0) | (0) | (284) | View Plans | ||
| GigFire | (0) | (0) | (1) | View Plans | ||
| Viasat | (0) | (0) | (11) | View Plans | ||
| wispwest.net | (0) | (0) | (0) | View Plans |
Based on data reported by Clark County ISPs to the FCC, the fastest speeds in the county are available through Interstate Telecommunications Cooperative, NVC, and Valley FiberCom. These internet providers offer speeds up to 1,000 Mbps in Clark County. Therefore, the average customer can get up to 1,000 Mbps if they're willing to purchase the fastest subscription tier available at their homes.
Additionally, actual customers in the county rated their satisfaction with internet speed highest with Interstate Telecommunications Cooperative. This indicates ITC reliably delivers speeds expected by the customer based on the plan they are paying for.
Who is the Cheapest Internet Provider in Clark County?
South Dakota customers rate Interstate Telecommunications Cooperative as the cheapest internet service provider in state. Data comes from customers in the state rating their satisfaction with pricing. This feedback is valuable because it considers price changes and whether the speeds paid for are worth it.
Interstate Telecommunications Cooperative received a local rating of 3.00 out of 5, which is much lower than the average across all internet providers in the country. NVC is rated in second place for affordability by the company’s Clark County customers with an average price rating of 3.00 out of 5.
The chart and graph below show how customers in Clark County, South Dakota, and the United States rated the affordability of their internet service.
Rated Affordability in Clark County
| ISP / Tech Type | Clark County Affordability | South Dakota Affordability | National Affordability | For Service | ||
|---|---|---|---|---|---|---|
| ITC | (1) | (6) | (6) | View Plans | ||
| NVC | (1) | (1) | (1) | View Plans | ||
| Verizon | (0) | (2) | (723) | View Plans | ||
| Midco | (0) | (12) | (31) | View Plans | ||
| HughesNet | (0) | (1) | (18) | View Plans | ||
| T-Mobile Home Internet | (0) | (0) | (284) | View Plans | ||
| GigFire | (0) | (0) | (1) | View Plans | ||
| Viasat | (0) | (0) | (11) | View Plans | ||
| wispwest.net | (0) | (0) | (0) | View Plans |
Clark County Internet Health Assessment
ISP Reports evaluates the technological infrastructure across the United States. This includes assessing a grade for ISP providers and infrastructure in the county and setting an index number for the digital connectivity of its residents. You can view the ISP Report Card and the Digital Connectivity Index for Clark County below, including the metrics used and how Clark County compares to the rest of South Dakota and nation.
| Metric
(hover for details)
|
Clark County | South Dakota | USA | ||
|---|---|---|---|---|---|
| Fiber Availability Percent The percentage of households in Clark County that have a Fiber internet connection available to their home. | 95.23% | 60.99% | 67.25% | ||
| Average Download SpeedThe maximum download speed most households can get on average. This is measured by availability in a block group and weighted by the population in that area. | 987 Mbps | 1,953 Mbps | 3,293 Mbps | ||
| Provider CountThe number of providers available for most people. This is a weighted average by block rather than a total for Clark County. | 1.6 | 5.3 | 6.8 |
| Average Household SizeA larger household size in a county indicates that there will be a greater need for bandwidth due to simultaneous usage, multiple devices, and network congestion. | 3.0 | 2.5 | 2.7 | ||
| Work From Home PercentA higher percent of the population working from home indicates bandwidth requirements being more widely needed rather than consolidated to commercial portions of the city. | 19% | 10% | 14% | ||
| Households with DevicesA higher percentage of households with computing devices in the home indicates a higher level of infrastructure needed to support those households. | 91% | 94% | 95% | ||
| Households with InternetA higher percentage of households with internet indicates a higher need for usage and connectivity in people’s daily lives. | 85% | 89% | 90% | ||
| Households with BroadbandA higher percentage of households with a broadband connection (defined as speeds above 25 Mbps) indicates heavier usage needs within these households. | 74% | 75% | 75% | ||
| Broadband Usage vs. AvailabilityThis measures what percentage of households who have a broadband connection to their home actually have an active subscription to that service. | 76% | 76% | 76% |
Our demographic data is sourced from the latest 5-year release of the American Community Survey by the US Census Bureau.
Clark County ISP Report Card & Digital Connectivity Index
The ISP Report Card in Clark County is C, which is better than other counties. The local demand for broadband internet connectivity in Clark County is high with a score of 69 / 100 in our Digital Connectivity Index. This means that internet service providers operating in Clark County have done a good job meeting the needs of its residents.
The Clark County ISP Report Card evaluates the county on availability and speed metrics compared to other counties in the United States. ISP Infrastructure can vary greatly and on its own isn’t a perfect measure of what a county needs. Please see our ISP Report Card along with the Digital Connectivity Index above to evaluate how well the connectivity demand is met by the existing infrastructure.
85% of Clark County households have an internet connection despite having 96.74% availability. 74% of households have fiber, cable, or DSL, 4% have satellite, 0% are still on dial-up, and 3% of households have internet but don’t pay for a subscription because it’s subsidized by the Affordable Connectivity Program.
As you can see in the table above, while 74% of households have a broadband connection such as fiber, cable or DSL available to their home, 76% subscribe to it. A large amount of Clark County residents are taking advantage of the available internet infrastructure.
For more details, please visit our ISP Report Card and Digital Connectivity Index pages.
How do Neighboring Counties Compare to Clark County?
- ISP Report Card: C+
- Digital Connectivity Index: 48 / 100
- ISP Report Card: C+
- Digital Connectivity Index: 58 / 100
- ISP Report Card: C+
- Digital Connectivity Index: 40 / 100
- ISP Report Card: B-
- Digital Connectivity Index: 49 / 100
- ISP Report Card: C-
- Digital Connectivity Index: 43 / 100
- ISP Report Card: C-
- Digital Connectivity Index: 46 / 100
- ISP Report Card: C+
- Digital Connectivity Index: 47 / 100
- ISP Report Card: C
- Digital Connectivity Index: 33 / 100
- ISP Report Card: B-
- Digital Connectivity Index: 48 / 100
How Much Speed does a Clark County Household Need?
Higher speed is typically preferred, but that comes at a higher price. The average size of a household in Clark County is 3.0, which is larger than the South Dakota average of 2.5 and larger than the national average of 2.7. Clark County's average household income is $65,161 which is about average for the South Dakota average of $76,929 and lower than the national average of $90,606. Homes with more people living in them and with lower incomes tend to indicate a fairly average device usage pattern.
Clark County also has 16% of its population enrolled in school between the 6th grade and college level, this is higher than the South Dakota average of 15%. Additionally, 19% of residents work from home, which is higher than the 10% of residents in South Dakota who work from home. This and other factors you can see above show us that the community of Clark County has a high need for internet connectivity and speeds.
Compared to the rest of the country, Clark County households are more technology-disengaged. 91% of households have some sort of computing device, 85% have desktops or laptops in the home, and 83% have smartphones. To see what speeds you are currently getting, please visit our internet speed test tool.
Which Fiber Internet Providers are Available in Clark County?
ITC Fiber in Clark County, SD
Interstate Telecommunications Cooperative offers Fiber service to 93.3% of Clark County homes. Across the county, ITC Fiber is the only type of service available from the company, with speeds up to 1,000 Mbps
NVC Fiber in Clark County, SD
NVC offers Fiber service to 1.5% of Clark County homes. Across the county, NVC Fiber is the only type of service available from the company, with speeds up to 1,000 Mbps
Which Cable Internet Providers are Available in Clark County?
According to the most recently submitted data by internet service providers to the FCC, there are currently no cable providers available in Clark County, SD.
Which DSL Internet Providers are Available in Clark County?
According to the most recently submitted data by internet service providers to the FCC, there are currently no DSL providers available in Clark County, SD.
Which Fixed Wireless and LTE Internet Providers are Available in Clark County?
GigFire Fixed Wireless in Clark County, SD
GigFire offers Fixed Wireless service to 27.3% of Clark County homes. Across the county, GigFire Fixed Wireless is the only type of service available from the company, with speeds up to 147 Mbps, with speeds from 99 Mpbs up to 150 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 20 and as high as 130, with an average of 120 Mbps throughout the county.
Verizon Fixed Wireless in Clark County, SD
Verizon offers Fixed Wireless service to 21.3% of Clark County homes. Across the county, Verizon Fixed Wireless is the only type of service available from the company, with speeds up to 300 Mbps
T-Mobile Home Internet Fixed Wireless in Clark County, SD
T-Mobile Home Internet offers Fixed Wireless service to 5.2% of Clark County homes. Across the county, T-Mobile Home Internet Fixed Wireless is the only type of service available from the company, with speeds up to 54 Mbps, with speeds from 25 Mpbs up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 3.0 and as high as 20, with an average of 9.5 Mbps throughout the county.
Midco Fixed Wireless in Clark County, SD
Midco offers Fixed Wireless service to 5.2% of Clark County homes. Across the county, Midco Fixed Wireless is the only type of service available from the company, with speeds up to 100 Mbps
wispwest.net Fixed Wireless in Clark County, SD
wispwest.net offers Fixed Wireless service to 3.6% of Clark County homes. Across the county, wispwest.net Fixed Wireless is the only type of service available from the company, with speeds up to 51 Mbps, with speeds from 25 Mpbs up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 8.0 and as high as 20, with an average of 10 Mbps throughout the county.
Which ISP Should You Choose in Clark County?
The right ISP for you depends upon your needs, but in general we can make the following suggestions:
- The best all-around internet service provider in Clark County is ITC.
- The fastest internet provider should be Interstate Telecommunications Cooperative, NVC, and Valley FiberCom. Considering speed for the money and reliability in speeds, Interstate Telecommunications Cooperative may be a better choice based on real-world local customer feedback.
- The most affordable internet provider in Clark County is ITC.
- Viasat, Interstate Telecommunications Cooperative, and HughesNet has the broadest coverage in Clark County, and is most likely to cover your home. To find out exactly what's available at your home, please use our address search tool.
How does Clark County compare to other cities with a similar population?
To see how Clark County stacks up on the national level, it's useful to look at some other cities with similarly sized populations. Below you can see a list of these cities and how they compare to Clark County's C ISP Report Card and 69 / 100 Digital Connectivity Index.
- ISP Report Card: C+
- Digital Connectivity Index: 65 / 100
- ISP Report Card: C-
- Digital Connectivity Index: 50 / 100
- ISP Report Card: C+
- Digital Connectivity Index: 20 / 100
- ISP Report Card: C+
- Digital Connectivity Index: 47 / 100
- ISP Report Card: D+
- Digital Connectivity Index: 11 / 100
- ISP Report Card: C
- Digital Connectivity Index: 45 / 100
- ISP Report Card: D+
- Digital Connectivity Index: 38 / 100
- ISP Report Card: C-
- Digital Connectivity Index: 24 / 100
- ISP Report Card: C-
- Digital Connectivity Index: 32 / 100
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