In Sumter County there is 1 residential Cable provider covering 88.42% 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 Sumter County, SC.
To see availability maps for all providers including fiber, cable, DSL, and more in Sumter County, SC please click below.
Sumter County, SC Availability Maps
Cable Internet Service Provider in Sumter 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 Sumter County are not shown.
Sumter 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 Sumter County is cable internet available?
Cable Internet Availability Key
Cable is available in 88.42% of Sumter County. Areas in green have cable internet service, where areas in yellow or red may not. The most widely available provider is Spectrum. Call one of the companies with service in Sumter County above to see who has service at your home.
How fast is cable internet in Sumter County?
The map below shows maximum cable internet speeds by area in Sumter County.
Cable Internet Speed Key
The average Sumter 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 88.42% of residents can get.
Is cable the fastest internet I can get in Sumter County?
The fastest internet for you may vary based on where in Sumter County you live. In general, fiber competes most often with cable in the county.
- Fiber is the fastest internet type for 65.72% of Sumter County homes.
- Cable is fastest for 31.41% 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 2.37% of Sumter County homes.
Cable Providers in Depth
Below you'll find which TV and internet providers offer service in Sumter County, along with details on where in Sumter County and at what speeds.
Spectrum Cable in Sumter County, SC
Spectrum cable coverage
About 88.42%, or 93,332 people, have Spectrum cable internet available to them in the county. The company covers the entire Sumter County area. Spectrum is one of the largest internet service providers internet service providers in the US, with internet service available in most of Sumter County.
Spectrum cable download speeds
Spectrum is one of the fastest when comparing download speeds to all other internet providers in Sumter County. Versus other cable providers in the area, Spectrum cable is the fastest. There are no different maximum speeds throughout Sumter County. The fastest plan anyone in Sumter County can order from Spectrum goes up to 1,000 Mbps, and all Sumter County customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spectrum cable upload speeds
In Sumter County download speeds tend to be faster than than upload speeds for Spectrum cable. Compared to other ISPs, Spectrum is below average where upload speeds are concerned, and the fastest compared to other Sumter County cable providers. Spectrum 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 Sumter County is up to 1,000 Mbps. Some customers have slower plan choices, which only go up to 35 Mbps. On average, Spectrum customers can get speeds up to 36 Mbps.
Show all upload speeds
- 0.1% up to 1,000.0 Mbps
- 99.9% up to 35.0 Mbps
Sumter County Cable by Area
This information is most helpful to those looking for homes or considering moving to Sumter County or any of the areas nearby.
How does cable internet in Sumter County compare to the rest of South Carolina?
Cable internet speeds in Sumter County are much faster versus the average speeds in South Carolina: 0.00 Mbps in South Carolina versus 1,000 Mbps in the county. The state has similar cable availability compared to the county. Average cable coverage in South Carolina is 0.00% versus 88.42% in Sumter County.
What zip codes have cable internet?
Cable internet coverage varies by zip code and neighborhood. Some examples in or around Sumter 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
- Richland County, SC: more cable coverage, faster speeds
- Lexington County, SC: more cable coverage, similar speeds
- Saluda County, SC: less cable coverage, faster speeds
- Brunswick County, NC: more cable coverage, similar speeds
- Oglethorpe County, GA: less cable coverage, similar speeds
- Clarke County, GA: more cable coverage, faster speeds
- Oconee County, GA: less cable coverage, faster speeds
- Barrow County, GA: more cable coverage, faster speeds
- Gwinnett County, GA: more cable coverage, faster speeds
- Fulton County, GA: more cable coverage, faster speeds
Counties with Similar Populations
- Monongalia County, WV: more cable coverage, faster speeds
- Flagler County, FL: more cable coverage, similar speeds
- Flathead County, MT: less cable coverage, similar speeds
- Franklin County, MO: less cable coverage, similar speeds
- Hanover County, VA: less cable coverage, faster speeds
- Hardin County, KY: less cable coverage, faster speeds
- Highlands County, FL: more cable coverage, faster speeds
- Houston County, AL: more cable coverage, faster speeds
- Lycoming County, PA: more cable coverage, faster speeds
- Madison County, MS: less cable coverage, faster speeds