In Sussex County there are 2 residential Cable providers covering 95.09% of the county. The average home can get speeds up to 1,404 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 Sussex County, DE.
To see availability maps for all providers including fiber, cable, DSL, and more in Sussex County, DE please click below.
Sussex County, DE Availability Maps
Cable Internet Service Providers in Sussex 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 Sussex County are not shown.
Sussex 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 Sussex County is cable internet available?
Cable Internet Availability Key
Cable is available in 95.09% of Sussex County. Areas in green have cable internet service, where areas in yellow or red may not. The most widely available provider is XFINITY. Call one of the companies with service in Sussex County above to see who has service at your home.
How fast is cable internet in Sussex County?
The map below shows maximum cable internet speeds by area in Sussex County.
Cable Internet Speed Key
The average Sussex County home can get up to 1,404 Mbps on their cable internet plan. The fastest cable download speed in the county is 2,000 Mbps, which 31.35% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 28.59% of homes can only purchase plans up to 1,000 Mbps. See the internet provider details below for info about their speed and coverage in Sussex County.
Cable internet speeds tend to be faster in the northeast parts of Sussex County, and slower in the central areas of the county.
Is cable the fastest internet I can get in Sussex County?
The fastest internet for you may vary based on where in Sussex County you live. In general, fiber competes most often with cable in the county.
- Fiber is the fastest internet type for 10.83% of Sussex County homes.
- Cable is fastest for 87.96% of the county.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 1.03%.
- Satellite internet may be the only option for less than 1% of Sussex County homes.
Cable Providers in Depth
Below you'll find which TV and internet providers offer service in Sussex County, along with details on where in Sussex County and at what speeds.
XFINITY from Comcast Cable in Sussex County, DE
XFINITY cable coverage
About 66.49%, or 157,843 people, have XFINITY cable internet available to them in the county. The company covers the entire Sussex County area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in much of Sussex County.
XFINITY from Comcast cable download speeds
XFINITY is above average when comparing download speeds to all other internet providers in Sussex County. Versus other cable providers in the area, XFINITY cable is the fastest. There are 2 different maximum speeds throughout Sussex County. The fastest plan anyone in Sussex County can order from XFINITY goes up to 2,000 Mbps, the slowest package only goes up to 1,200 Mbps, and the county-wide average maximum speed for Sussex County customers is up to 1,577 Mbps.
Show all download speeds
- 47.1% up to 2,000.0 Mbps
- 52.9% up to 1,200.0 Mbps
XFINITY from Comcast cable upload speeds
In Sussex County download speeds tend to be faster than than upload speeds for XFINITY cable. Compared to other ISPs, XFINITY is below average where upload speeds are concerned, and the fastest compared to other Sussex County cable providers. XFINITY 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 Sussex County is up to 250 Mbps. Some customers have slower plan choices, which only go up to 35 Mbps. On average, XFINITY customers can get speeds up to 136 Mbps.
Show all upload speeds
- 47.1% up to 250.0 Mbps
- 52.9% up to 35.0 Mbps
Mediacom Cable in Sussex County, DE
Mediacom cable coverage
About 36.44%, or 86,492 people, have Mediacom cable internet available to them in the county. The company covers the southeast, central, south, east, north, northeast, and southwest Sussex County area. Mediacom is one of the largest internet service providers internet service providers in the US, with internet service available in some of Sussex County.
Mediacom cable download speeds
Mediacom is below average when comparing download speeds to all other internet providers in Sussex County. Versus other cable providers in the area, Mediacom cable is the slowest. There are no different maximum speeds throughout Sussex County. The fastest plan anyone in Sussex County can order from Mediacom goes up to 1,000 Mbps, and all Sussex County customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Mediacom cable upload speeds
In Sussex 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 slowest compared to other Sussex County cable providers. Mediacom offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Sussex County is up to 50 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 50.0 Mbps
Sussex County Cable by Area
This information is most helpful to those looking for homes or considering moving to Sussex County or any of the areas nearby.
How does cable internet in Sussex County compare to the rest of Delaware?
Cable internet speeds in Sussex County are much faster versus the average speeds in Delaware: 0.00 Mbps in Delaware versus 1,404 Mbps in the county. The state has similar cable availability compared to the county. Average cable coverage in Delaware is 0.00% versus 95.09% in Sussex County.
What zip codes have cable internet?
Cable internet coverage varies by zip code and neighborhood. Some examples in or around Sussex 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
- Dorchester County, MD: less cable coverage, slower speeds
- Talbot County, MD: less cable coverage, slower speeds
- Calvert County, MD: more cable coverage, faster speeds
- Charles County, MD: less cable coverage, faster speeds
- Prince William County, VA: more cable coverage, faster speeds
- Manassas Park City, VA: more cable coverage, faster speeds
- Manassas City, VA: more cable coverage, faster speeds
- Fauquier County, VA: less cable coverage, faster speeds
- Rappahannock County, VA: less cable coverage, faster speeds
- Page County, VA: less cable coverage, slower speeds
Counties with Similar Populations
- Tuscaloosa County, AL: less cable coverage, slower speeds
- Boulder County, CO: less cable coverage, faster speeds
- Buncombe County, NC: more cable coverage, slower speeds
- Butte County, CA: less cable coverage, faster speeds
- Cabarrus County, NC: more cable coverage, slower speeds
- Caddo Parish, LA: more cable coverage, faster speeds
- Calcasieu Parish, LA: less cable coverage, slower speeds
- Erie County, PA: less cable coverage, slower speeds
- Sumner County, TN: less cable coverage, faster speeds
- Alachua County, FL: less cable coverage, faster speeds