In Clay County there are 2 residential DSL providers covering 83.83% of the county. The average home can get speeds up to 16 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 DSL internet providers in Clay County, SD.
To see availability maps for all providers including fiber, cable, DSL, and more in Clay County, SD please click below.
Clay County, SD Availability Maps
DSL Internet Service Providers in Clay 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 Clay County are not shown.
Clay 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 Clay County is DSL internet available?
DSL Internet Availability Key
DSL is available in 83.83% of Clay County. Areas in green have DSL internet service, where areas in yellow or red may not. The most widely available provider is Centurylink. Call one of the companies with service in Clay County above to see who has service at your home.
How fast is DSL internet in Clay County?
The map below shows maximum DSL internet speeds by area in Clay County.
DSL Internet Speed Key
The average Clay County home can get up to 16 Mbps on their DSL internet plan. The fastest DSL download speed in the county is 100 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, 72.35% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Clay County.
DSL internet speeds tend to be faster in the southwest parts of Clay County, and slower in the northeast areas of the county.
Is DSL the fastest internet I can get in Clay County?
The fastest internet for you may vary based on where in Clay County you live. In general, fiber competes most often with DSL in the county.
- Fiber is the fastest internet type for 82.60% of Clay County homes.
- Cable is fastest for 4.70% of the county.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 1.82%.
- Satellite internet may be the only option for 10.45% of Clay County homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Clay County, along with details on where in Clay County and at what speeds.
Centurylink DSL in Clay County, SD
Centurylink DSL coverage
About 74.43%, or 11,140 people, have Centurylink DSL internet available to them in the county. The company covers the south, southeast, east, central, west, southwest, north, and northwest Clay County area. Centurylink is one of the largest internet service providers internet service providers in the US, with internet service available in much of Clay County.
Centurylink DSL download speeds
Centurylink is below average when comparing download speeds to all other internet providers in Clay County. Versus other DSL providers in the area, Centurylink DSL is the fastest. There are 5 different maximum speeds throughout Clay County. The fastest plan anyone in Clay County can order from Centurylink goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for Clay County customers is up to 16 Mbps.
Show all download speeds
- 0.4% up to 100.0 Mbps
- 1.0% up to 80.0 Mbps
- 8.8% up to 60.0 Mbps
- 3.1% up to 40.0 Mbps
- 86.7% up to 10.0 Mbps
Centurylink DSL upload speeds
In Clay County download speeds tend to be faster than than upload speeds for Centurylink DSL. Compared to other ISPs, Centurylink is below average where upload speeds are concerned, and the fastest compared to other Clay County DSL providers. Centurylink offers 6 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 Clay County is up to 40 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Centurylink customers can get speeds up to 1.9 Mbps.
Show all upload speeds
- 1.0% up to 40.0 Mbps
- 0.2% up to 20.0 Mbps
- 0.4% up to 10.0 Mbps
- 8.8% up to 5.0 Mbps
- 2.9% up to 3.0 Mbps
- 86.7% up to 1.0 Mbps
Bluepeak DSL in Clay County, SD
Bluepeak DSL coverage
About 10.47%, or 1,567 people, have Bluepeak DSL internet available to them in the county. The company covers the northwest, northeast, west, north, east, and southwest Clay County area. Bluepeak is a large internet service provider internet service providers in the US, with internet service available in a very small piece of Clay County.
Bluepeak DSL download speeds
Bluepeak is the slowest when comparing download speeds to all other internet providers in Clay County. Versus other DSL providers in the area, Bluepeak DSL is the slowest. There are 2 different maximum speeds throughout Clay County. The fastest plan anyone in Clay County can order from Bluepeak goes up to 25 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for Clay County customers is up to 12 Mbps.
Show all download speeds
- 15.0% up to 25.0 Mbps
- 85.0% up to 10.0 Mbps
Bluepeak DSL upload speeds
In Clay County download speeds tend to be faster than than upload speeds for Bluepeak DSL. Compared to other ISPs, Bluepeak is the slowest where upload speeds are concerned, and the slowest compared to other Clay County DSL providers. Bluepeak 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 Clay County is up to 3.0 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Bluepeak customers can get speeds up to 1.3 Mbps.
Show all upload speeds
- 15.0% up to 3.0 Mbps
- 85.0% up to 1.0 Mbps
Clay County DSL by Area
This information is most helpful to those looking for homes or considering moving to Clay County or any of the areas nearby.
How does DSL internet in Clay County compare to the rest of South Dakota?
DSL internet speeds in Clay County are much faster versus the average speeds in South Dakota: 0.00 Mbps in South Dakota versus 16 Mbps in the county. The state has similar DSL availability compared to the county. Average DSL coverage in South Dakota is 0.00% versus 83.83% in Clay County.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Clay County are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does DSL 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
- Yankton County, SD: more DSL coverage, faster speeds
- Plymouth County, IA: less DSL coverage, faster speeds
- Bon Homme County, SD: less DSL coverage, faster speeds
- Cherokee County, IA: less DSL coverage, faster speeds
- Pocahontas County, IA: less DSL coverage, faster speeds
- Humboldt County, IA: less DSL coverage, slower speeds
- Keya Paha County, NE: less DSL coverage, faster speeds
- Wright County, IA: less DSL coverage, faster speeds
- Franklin County, IA: more DSL coverage, faster speeds
- Cherry County, NE: less DSL coverage, faster speeds
Counties with Similar Populations
- Hansford County, TX: less DSL coverage, faster speeds
- Socorro County, NM: less DSL coverage, faster speeds
- Hamilton County, NY: less DSL coverage, faster speeds
- Hamilton County, TX: less DSL coverage, faster speeds
- Smith County, TN: less DSL coverage, slower speeds
- Smith County, MS: more DSL coverage, faster speeds
- Hampton County, SC: more DSL coverage, faster speeds
- Hancock County, GA: less DSL coverage, slower speeds
- Hancock County, IL: less DSL coverage, faster speeds
- Hancock County, KY: less DSL coverage, faster speeds