In Polk County there are 2 residential DSL providers covering 93.48% of the county. The average home can get speeds up to 79 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 Polk County, IA.
To see availability maps for all providers including fiber, cable, DSL, and more in Polk County, IA please click below.
Polk County, IA Availability Maps
DSL Internet Service Providers in Polk 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 Polk County are not shown.
Polk 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 Polk County is DSL internet available?
DSL Internet Availability Key
DSL is available in 93.48% of Polk 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 Polk County above to see who has service at your home.
How fast is DSL internet in Polk County?
The map below shows maximum DSL internet speeds by area in Polk County.
DSL Internet Speed Key
The average Polk County home can get up to 79 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, 17.69% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Polk County.
DSL internet speeds tend to be faster in the west parts of Polk County, and slower in the south areas of the county.
Is DSL the fastest internet I can get in Polk County?
The fastest internet for you may vary based on where in Polk County you live. In general, fiber competes most often with DSL in the county.
- Fiber is the fastest internet type for 93.01% of Polk County homes.
- Cable is fastest for 4.43% of the county.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 1.84%.
- Satellite internet may be the only option for less than 1% of Polk County homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Polk County, along with details on where in Polk County and at what speeds.
Centurylink DSL in Polk County, IA
Centurylink DSL coverage
About 92.90%, or 457,424 people, have Centurylink DSL internet available to them in the county. The company covers the entire Polk County area. Centurylink is one of the largest internet service providers internet service providers in the US, with internet service available in most of Polk County.
Centurylink DSL download speeds
Centurylink is below average when comparing download speeds to all other internet providers in Polk County. Versus other DSL providers in the area, Centurylink DSL is above average. There are 7 different maximum speeds throughout Polk County. The fastest plan anyone in Polk County can order from Centurylink goes up to 140 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for Polk County customers is up to 78 Mbps.
Show all download speeds
- 16.3% up to 140.0 Mbps
- 0.2% up to 120.0 Mbps
- 33.1% up to 100.0 Mbps
- 16.6% up to 80.0 Mbps
- 4.5% up to 60.0 Mbps
- 10.4% up to 40.0 Mbps
- 18.9% up to 10.0 Mbps
Centurylink DSL upload speeds
In Polk 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 Polk County DSL providers. Centurylink offers 7 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 Polk County is up to 100 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Centurylink customers can get speeds up to 11 Mbps.
Show all upload speeds
- 0.5% up to 100.0 Mbps
- 4.0% up to 40.0 Mbps
- 15.7% up to 20.0 Mbps
- 46.1% up to 10.0 Mbps
- 5.0% up to 5.0 Mbps
- 9.8% up to 3.0 Mbps
- 18.9% up to 1.0 Mbps
Aureon DSL in Polk County, IA
Aureon DSL coverage
About 2.04%, or 10,033 people, have Aureon DSL internet available to them in the county. The company covers the entire Polk County area. Aureon is a small internet service provider internet service providers in the US, with internet service available in a very small piece of Polk County.
Aureon DSL download speeds
Aureon is below average when comparing download speeds to all other internet providers in Polk County. Versus other DSL providers in the area, Aureon DSL is below average. There are 3 different maximum speeds throughout Polk County. The fastest plan anyone in Polk County can order from Aureon goes up to 40 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for Polk County customers is up to 17 Mbps.
Show all download speeds
- 0.1% up to 40.0 Mbps
- 36.3% up to 30.0 Mbps
- 63.7% up to 10.0 Mbps
Aureon DSL upload speeds
In Polk County download speeds tend to be faster than than upload speeds for Aureon DSL. Compared to other ISPs, Aureon is below average where upload speeds are concerned, and below average compared to other Polk County DSL providers. Aureon 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 Polk County is up to 30 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Aureon customers can get speeds up to 9.9 Mbps.
Show all upload speeds
- 30.1% up to 30.0 Mbps
- 3.1% up to 5.0 Mbps
- 3.1% up to 3.0 Mbps
- 63.7% up to 1.0 Mbps
Polk County DSL by Area
This information is most helpful to those looking for homes or considering moving to Polk County or any of the areas nearby.
How does DSL internet in Polk County compare to the rest of Iowa?
DSL internet speeds in Polk County are much faster versus the average speeds in Iowa: 0.00 Mbps in Iowa versus 79 Mbps in the county. The state has similar DSL availability compared to the county. Average DSL coverage in Iowa is 0.00% versus 93.48% in Polk County.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Polk 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
- Dallas County, IA: less DSL coverage, slower speeds
- Jasper County, IA: less DSL coverage, faster speeds
- Guthrie County, IA: less DSL coverage, faster speeds
- Poweshiek County, IA: less DSL coverage, faster speeds
- Audubon County, IA: less DSL coverage, faster speeds
- Iowa County, IA: less DSL coverage, faster speeds
- Shelby County, IA: less DSL coverage, faster speeds
- Johnson County, IA: less DSL coverage, slower speeds
- Harrison County, IA: less DSL coverage, faster speeds
- Cedar County, IA: less DSL coverage, faster speeds
Counties with Similar Populations
- Sonoma County, CA: less DSL coverage, slower speeds
- Jefferson County, CO: less DSL coverage, faster speeds
- Jefferson Parish, LA: more DSL coverage, slower speeds
- Kane County, IL: less DSL coverage, slower speeds
- Knox County, TN: less DSL coverage, slower speeds
- Lake County, IN: less DSL coverage, slower speeds
- Lancaster County, PA: less DSL coverage, slower speeds
- Montgomery County, OH: less DSL coverage, slower speeds
- Seminole County, FL: less DSL coverage, slower speeds
- Solano County, CA: less DSL coverage, faster speeds