In Clinton County there are 2 residential DSL providers covering 83.58% of the county. The average home can get speeds up to 44 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 Clinton County, IA.
To see availability maps for all providers including fiber, cable, DSL, and more in Clinton County, IA please click below.
Clinton County, IA Availability Maps
DSL Internet Service Providers in Clinton 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 Clinton County are not shown.
Clinton 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 Clinton County is DSL internet available?
DSL Internet Availability Key
DSL is available in 83.58% of Clinton County. Areas in green have DSL internet service, where areas in yellow or red may not. The most widely available provider is Windstream. Call one of the companies with service in Clinton County above to see who has service at your home.
How fast is DSL internet in Clinton County?
The map below shows maximum DSL internet speeds by area in Clinton County.
DSL Internet Speed Key
The average Clinton County home can get up to 44 Mbps on their DSL internet plan. The fastest DSL download speed in the county is 300 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, 55.42% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Clinton County.
DSL internet speeds tend to be faster in the west parts of Clinton County, and slower in the east areas of the county.
Is DSL the fastest internet I can get in Clinton County?
The fastest internet for you may vary based on where in Clinton County you live. In general, fiber competes most often with DSL in the county.
- Fiber is the fastest internet type for 38.25% of Clinton County homes.
- Cable is fastest for 38.06% of the county.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 23.42%.
- Satellite internet may be the only option for less than 1% of Clinton County homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Clinton County, along with details on where in Clinton County and at what speeds.
Centurylink DSL in Clinton County, IA
Centurylink DSL coverage
About 62.74%, or 29,150 people, have Centurylink DSL internet available to them in the county. The company covers the east, south, northeast, southeast, north, central, and northwest Clinton County area. Centurylink is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of Clinton County.
Centurylink DSL download speeds
Centurylink is below average when comparing download speeds to all other internet providers in Clinton County. Versus other DSL providers in the area, Centurylink DSL is below average. There are 5 different maximum speeds throughout Clinton County. The fastest plan anyone in Clinton 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 Clinton County customers is up to 22 Mbps.
Show all download speeds
- 7.4% up to 100.0 Mbps
- 5.1% up to 80.0 Mbps
- 0.2% up to 60.0 Mbps
- 4.7% up to 40.0 Mbps
- 82.7% up to 10.0 Mbps
Centurylink DSL upload speeds
In Clinton 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 below average compared to other Clinton County DSL providers. Centurylink 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 Clinton County is up to 10 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Centurylink customers can get speeds up to 2.2 Mbps.
Show all upload speeds
- 12.5% up to 10.0 Mbps
- 0.3% up to 5.0 Mbps
- 4.6% up to 3.0 Mbps
- 82.7% up to 1.0 Mbps
Windstream DSL in Clinton County, IA
Windstream DSL coverage
About 21.40%, or 9,941 people, have Windstream DSL internet available to them in the county. The company covers the south, central, west, northwest, north, southwest, and northeast Clinton County area. Windstream is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Clinton County.
Windstream DSL download speeds
Windstream is below average when comparing download speeds to all other internet providers in Clinton County. Versus other DSL providers in the area, Windstream DSL is the fastest. There are 6 different maximum speeds throughout Clinton County. The fastest plan anyone in Clinton County can order from Windstream goes up to 300 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for Clinton County customers is up to 108 Mbps.
Show all download speeds
- 0.8% up to 300.0 Mbps
- 31.0% up to 200.0 Mbps
- 34.6% up to 100.0 Mbps
- 12.7% up to 50.0 Mbps
- 1.6% up to 25.0 Mbps
- 19.2% up to 10.0 Mbps
Windstream DSL upload speeds
In Clinton County download speeds tend to be faster than than upload speeds for Windstream DSL. Compared to other ISPs, Windstream is below average where upload speeds are concerned, and the fastest compared to other Clinton County DSL providers. Windstream offers 10 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 Clinton County is up to 83 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Windstream customers can get speeds up to 30 Mbps.
Show all upload speeds
- 2.7% up to 83.0 Mbps
- 37.2% up to 52.0 Mbps
- 1.2% up to 50.0 Mbps
- 9.0% up to 32.0 Mbps
- 8.9% up to 23.0 Mbps
- 0.2% up to 20.0 Mbps
- 7.1% up to 17.0 Mbps
- 9.0% up to 12.0 Mbps
- 5.3% up to 3.0 Mbps
- 19.2% up to 1.0 Mbps
Clinton County DSL by Area
This information is most helpful to those looking for homes or considering moving to Clinton County or any of the areas nearby.
How does DSL internet in Clinton County compare to the rest of Iowa?
DSL internet speeds in Clinton County are much faster versus the average speeds in Iowa: 0.00 Mbps in Iowa versus 44 Mbps in the county. The state has similar DSL availability compared to the county. Average DSL coverage in Iowa is 0.00% versus 83.58% in Clinton County.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Clinton 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
- Whiteside County, IL: less DSL coverage, slower speeds
- Cedar County, IA: less DSL coverage, faster speeds
- Lee County, IL: less DSL coverage, slower speeds
- DeKalb County, IL: less DSL coverage, slower speeds
- Iowa County, IA: less DSL coverage, faster speeds
- Kane County, IL: less DSL coverage, faster speeds
- DuPage County, IL: more DSL coverage, faster speeds
- Poweshiek County, IA: less DSL coverage, faster speeds
- Cook County, IL: more DSL coverage, faster speeds
- Berrien County, MI: less DSL coverage, slower speeds
Counties with Similar Populations
- Ashland County, OH: less DSL coverage, slower speeds
- St. Charles Parish, LA: less DSL coverage, faster speeds
- Halifax County, NC: less DSL coverage, faster speeds
- Hancock County, ME: less DSL coverage, slower speeds
- Hancock County, MS: less DSL coverage, faster speeds
- Hardin County, TX: less DSL coverage, slower speeds
- Harrison County, IN: less DSL coverage, slower speeds
- Hatillo Municipio, PR: less DSL coverage, slower speeds
- Henderson County, KY: less DSL coverage, slower speeds
- Henry County, IL: less DSL coverage, slower speeds