In Decatur County there is 1 residential Cable provider covering 47.93% of the county. The average home can get speeds up to 1,000 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 Cable internet providers in Decatur County, IA.
To see availability maps for all providers including fiber, cable, DSL, and more in Decatur County, IA please click below.
Decatur County, IA Availability Maps
Cable Internet Service Provider in Decatur 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 Decatur County are not shown.
Decatur 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 Decatur County is cable internet available?

Cable Internet Availability Key
Cable is available in 47.93% of Decatur County. Areas in green have cable internet service, where areas in yellow or red may not. The most widely available provider is Mediacom. Call one of the companies with service in Decatur County above to see who has service at your home.
How fast is cable internet in Decatur County?
The map below shows maximum cable internet speeds by area in Decatur County.

Cable Internet Speed Key
The average Decatur County home can get up to 1,000 Mbps on their cable internet plan. The fastest cable download speed in the county is 1,000 Mbps, which 47.93% of residents can get.
Is cable the fastest internet I can get in Decatur County?
The fastest internet for you may vary based on where in Decatur County you live. In general, fiber competes most often with cable in the county.
- Fiber is the fastest internet type for 94.11% of Decatur County homes.
- Cable is fastest for less than 1% of the county.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for less than 1%.
- Satellite internet may be the only option for 5.56% of Decatur County homes.
Cable Providers in Depth
Below you'll find which TV and internet providers offer service in Decatur County, along with details on where in Decatur County and at what speeds.
Mediacom Cable in Decatur County, IA

Mediacom cable coverage
About 47.93%, or 3,664 people, have Mediacom cable internet available to them in the county. The company covers the southwest, central, and east Decatur County area. Mediacom is one of the largest internet service providers internet service providers in the US, with internet service available in some of Decatur County.
Mediacom cable download speeds
Mediacom is one of the fastest when comparing download speeds to all other internet providers in Decatur County. Versus other cable providers in the area, Mediacom cable is the fastest. There are no different maximum speeds throughout Decatur County. The fastest plan anyone in Decatur County can order from Mediacom goes up to 1,000 Mbps, and all Decatur County customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Mediacom cable upload speeds
In Decatur County download speeds tend to be faster than than upload speeds for Mediacom cable. Compared to other ISPs, Mediacom is below average where upload speeds are concerned, and the fastest compared to other Decatur County cable providers. Mediacom offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Decatur County is up to 50 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 50.0 Mbps
Decatur County Cable by Area
This information is most helpful to those looking for homes or considering moving to Decatur County or any of the areas nearby.
How does cable internet in Decatur County compare to the rest of Iowa?
Cable internet speeds in Decatur County are much faster versus the average speeds in Iowa: 0.00 Mbps in Iowa versus 1,000 Mbps in the county. The state has similar cable availability compared to the county. Average cable coverage in Iowa is 0.00% versus 47.93% in Decatur County.
What zip codes have cable internet?
Cable internet coverage varies by zip code and neighborhood. Some examples in or around Decatur County are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does cable 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
- Ringgold County, IA: less cable coverage, similar speeds
- Wayne County, IA: less cable coverage, similar speeds
- Taylor County, IA: less cable coverage, similar speeds
- Appanoose County, IA: more cable coverage, similar speeds
- Page County, IA: more cable coverage, similar speeds
- Davis County, IA: less cable coverage, similar speeds
- Fremont County, IA: less cable coverage, slower speeds
- Otoe County, NE: more cable coverage, slower speeds
- Des Moines County, IA: more cable coverage, similar speeds
- Lancaster County, NE: more cable coverage, slower speeds
Counties with Similar Populations
- Niobrara County, WY: more cable coverage, slower speeds
- Lexington City, VA: more cable coverage, faster speeds
- Liberty County, FL: less cable coverage, similar speeds
- Linn County, MO: more cable coverage, slower speeds
- Little River County, AR: less cable coverage, similar speeds
- Livingston County, MO: more cable coverage, slower speeds
- Long County, GA: more cable coverage, faster speeds
- Lyon County, KY: more cable coverage, slower speeds
- Macon County, MO: less cable coverage, similar speeds
- Madison County, IA: less cable coverage, similar speeds


