In Sauk County there are 2 residential DSL providers covering 84.49% of the county. The average home can get speeds up to 38 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 Sauk County, WI.
To see availability maps for all providers including fiber, cable, DSL, and more in Sauk County, WI please click below.
Sauk County, WI Availability Maps
DSL Internet Service Providers in Sauk 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 Sauk County are not shown.
Sauk 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 Sauk County is DSL internet available?
DSL Internet Availability Key
DSL is available in 84.49% of Sauk County. Areas in green have DSL internet service, where areas in yellow or red may not. The most widely available provider is Frontier. Call one of the companies with service in Sauk County above to see who has service at your home.
How fast is DSL internet in Sauk County?
The map below shows maximum DSL internet speeds by area in Sauk County.
DSL Internet Speed Key
The average Sauk County home can get up to 38 Mbps on their DSL internet plan. The fastest DSL download speed in the county is 115 Mbps, which 6.81% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 51.13% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Sauk County.
DSL internet speeds tend to be faster in the south parts of Sauk County, and slower in the southeast areas of the county.
Is DSL the fastest internet I can get in Sauk County?
The fastest internet for you may vary based on where in Sauk County you live. In general, fiber competes most often with DSL in the county.
- Fiber is the fastest internet type for 70.29% of Sauk County homes.
- Cable is fastest for 23.31% of the county.
- DSL is fastest for 3.03%.
- Fixed wireless is fastest for 3.07%.
- Satellite internet may be the only option for less than 1% of Sauk County homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Sauk County, along with details on where in Sauk County and at what speeds.
Frontier Communications DSL in Sauk County, WI
Frontier DSL coverage
About 53.25%, or 35,018 people, have Frontier DSL internet available to them in the county. The company covers the north, southeast, southwest, west, northwest, central, south, and northeast Sauk County area. Frontier is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of Sauk County.
Frontier Communications DSL download speeds
Frontier is below average when comparing download speeds to all other internet providers in Sauk County. Versus other DSL providers in the area, Frontier DSL is the slowest. There are 5 different maximum speeds throughout Sauk County. The fastest plan anyone in Sauk County can order from Frontier goes up to 115 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for Sauk County customers is up to 35 Mbps.
Show all download speeds
- 12.8% up to 115.0 Mbps
- 8.0% up to 90.0 Mbps
- 5.6% up to 70.0 Mbps
- 5.0% up to 45.0 Mbps
- 68.7% up to 10.0 Mbps
Frontier Communications DSL upload speeds
In Sauk County download speeds tend to be faster than than upload speeds for Frontier DSL. Compared to other ISPs, Frontier is the slowest where upload speeds are concerned, and the slowest compared to other Sauk County DSL providers. Frontier offers 4 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 Sauk County is up to 7.0 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Frontier customers can get speeds up to 2.3 Mbps.
Show all upload speeds
- 12.8% up to 7.0 Mbps
- 8.0% up to 5.0 Mbps
- 10.5% up to 3.0 Mbps
- 68.7% up to 1.0 Mbps
Brightspeed DSL in Sauk County, WI
Brightspeed DSL coverage
About 32.65%, or 21,470 people, have Brightspeed DSL internet available to them in the county. The company covers the east, central, northeast, northwest, north, south, and southeast Sauk County area. Brightspeed is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Sauk County.
Brightspeed DSL download speeds
Brightspeed is below average when comparing download speeds to all other internet providers in Sauk County. Versus other DSL providers in the area, Brightspeed DSL is the fastest. There are 5 different maximum speeds throughout Sauk County. The fastest plan anyone in Sauk County can order from Brightspeed goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for Sauk County customers is up to 43 Mbps.
Show all download speeds
- 12.1% up to 100.0 Mbps
- 22.4% up to 80.0 Mbps
- 4.7% up to 60.0 Mbps
- 12.4% up to 40.0 Mbps
- 48.4% up to 10.0 Mbps
Brightspeed DSL upload speeds
In Sauk County download speeds tend to be faster than than upload speeds for Brightspeed DSL. Compared to other ISPs, Brightspeed is below average where upload speeds are concerned, and the fastest compared to other Sauk County DSL providers. Brightspeed offers 4 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 Sauk County is up to 10 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Brightspeed customers can get speeds up to 4.5 Mbps.
Show all upload speeds
- 34.5% up to 10.0 Mbps
- 4.7% up to 5.0 Mbps
- 12.4% up to 3.0 Mbps
- 48.4% up to 1.0 Mbps
Sauk County DSL by Area
This information is most helpful to those looking for homes or considering moving to Sauk County or any of the areas nearby.
How does DSL internet in Sauk County compare to the rest of Wisconsin?
DSL internet speeds in Sauk County are much faster versus the average speeds in Wisconsin: 0.00 Mbps in Wisconsin versus 38 Mbps in the county. The state has similar DSL availability compared to the county. Average DSL coverage in Wisconsin is 0.00% versus 84.49% in Sauk County.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Sauk 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
- Columbia County, WI: less DSL coverage, faster speeds
- Richland County, WI: less DSL coverage, faster speeds
- Dodge County, WI: less DSL coverage, slower speeds
- Washington County, WI: more DSL coverage, faster speeds
- Ozaukee County, WI: more DSL coverage, faster speeds
- Howard County, IA: less DSL coverage, faster speeds
- Mitchell County, IA: less DSL coverage, faster speeds
- Worth County, IA: less DSL coverage, slower speeds
- Winnebago County, IA: less DSL coverage, faster speeds
- Newaygo County, MI: less DSL coverage, slower speeds
Counties with Similar Populations
- Sampson County, NC: less DSL coverage, faster speeds
- Lawrence County, OH: less DSL coverage, slower speeds
- Lea County, NM: more DSL coverage, faster speeds
- Acadia Parish, LA: less DSL coverage, slower speeds
- Lonoke County, AR: more DSL coverage, slower speeds
- Lowndes County, MS: less DSL coverage, slower speeds
- Putnam County, WV: less DSL coverage, faster speeds
- Rutherford County, NC: less DSL coverage, faster speeds
- Laurens County, SC: less DSL coverage, slower speeds
- San Benito County, CA: more DSL coverage, faster speeds