In Harris County there are 4 residential Cable providers covering 98.83% of the county. The average home can get speeds up to 1,847 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 Harris County, TX.
To see availability maps for all providers including fiber, cable, DSL, and more in Harris County, TX please click below.
Harris County, TX Availability Maps
Cable Internet Service Providers in Harris 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 Harris County are not shown.
Harris 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 Harris County is cable internet available?
Cable Internet Availability Key
Cable is available in 98.83% of Harris 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 Harris County above to see who has service at your home.
How fast is cable internet in Harris County?
The map below shows maximum cable internet speeds by area in Harris County.
Cable Internet Speed Key
The average Harris County home can get up to 1,847 Mbps on their cable internet plan. The fastest cable download speed in the county is 2,000 Mbps, which 79.89% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, less than 1% of homes can only purchase plans up to 940 Mbps. See the internet provider details below for info about their speed and coverage in Harris County.
Cable internet speeds tend to be faster in the west parts of Harris County, and slower in the north areas of the county.
Is cable the fastest internet I can get in Harris County?
The fastest internet for you may vary based on where in Harris County you live. In general, fiber competes most often with cable in the county.
- Fiber is the fastest internet type for 82.79% of Harris County homes.
- Cable is fastest for 16.37% 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 less than 1% of Harris County homes.
Cable Providers in Depth
Below you'll find which TV and internet providers offer service in Harris County, along with details on where in Harris County and at what speeds.
XFINITY from Comcast Cable in Harris County, TX
XFINITY cable coverage
About 98.72%, or 4,670,656 people, have XFINITY cable internet available to them in the county. The company covers the entire Harris County area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in most of Harris County.
XFINITY from Comcast cable download speeds
XFINITY is above average when comparing download speeds to all other internet providers in Harris County. Versus other cable providers in the area, XFINITY cable is the fastest. There are 2 different maximum speeds throughout Harris County. The fastest plan anyone in Harris 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 Harris County customers is up to 1,847 Mbps.
Show all download speeds
- 80.9% up to 2,000.0 Mbps
- 19.1% up to 1,200.0 Mbps
XFINITY from Comcast cable upload speeds
In Harris 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 Harris County cable providers. XFINITY 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 Harris County is up to 2,000 Mbps. Some customers have slower plan choices, which only go up to 35 Mbps. On average, XFINITY customers can get speeds up to 266 Mbps.
Show all upload speeds
- 3.3% up to 2,000.0 Mbps
- 0.0% up to 1,000.0 Mbps
- 77.6% up to 250.0 Mbps
- 19.1% up to 35.0 Mbps
Spectrum Cable in Harris County, TX
Spectrum cable coverage
About 4.14%, or 195,896 people, have Spectrum cable internet available to them in the county. The company covers the northwest, west, and north Harris County area. Spectrum is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Harris County.
Spectrum cable download speeds
Spectrum is below average when comparing download speeds to all other internet providers in Harris County. Versus other cable providers in the area, Spectrum cable is below average. There are no different maximum speeds throughout Harris County. The fastest plan anyone in Harris County can order from Spectrum goes up to 1,000 Mbps, and all Harris County customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spectrum cable upload speeds
In Harris 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 one of the slowest compared to other Harris County cable providers. Spectrum offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Harris County is up to 35 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 35.0 Mbps
Optimum Cable in Harris County, TX
Optimum cable coverage
About 1.89%, or 89,231 people, have Optimum cable internet available to them in the county. The company covers the northeast, east, northwest, north, southeast, and west Harris County area. Optimum is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Harris County.
Optimum cable download speeds
Optimum is below average when comparing download speeds to all other internet providers in Harris County. Versus other cable providers in the area, Optimum cable is the slowest. There are no different maximum speeds throughout Harris County. The fastest plan anyone in Harris County can order from Optimum goes up to 940 Mbps, and all Harris County customers can get this speed.
Show all download speeds
- 100.0% up to 940.0 Mbps
Optimum cable upload speeds
In Harris County download speeds tend to be faster than than upload speeds for Optimum cable. Compared to other ISPs, Optimum is below average where upload speeds are concerned, and one of the slowest compared to other Harris County cable providers. Optimum offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Harris County is up to 35 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 35.0 Mbps
Astound Broadband Cable in Harris County, TX
Astound Broadband cable coverage
About 1.29%, or 60,851 people, have Astound Broadband cable internet available to them in the county. The company covers the northwest, northeast, and south Harris County area. Astound Broadband is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Harris County.
Astound Broadband cable download speeds
Astound Broadband is below average when comparing download speeds to all other internet providers in Harris County. Versus other cable providers in the area, Astound Broadband cable is above average. There are no different maximum speeds throughout Harris County. The fastest plan anyone in Harris County can order from Astound Broadband goes up to 1,500 Mbps, and all Harris County customers can get this speed.
Show all download speeds
- 100.0% up to 1,500.0 Mbps
Astound Broadband cable upload speeds
In Harris County download speeds tend to be faster than than upload speeds for Astound Broadband cable. Compared to other ISPs, Astound Broadband is below average where upload speeds are concerned, and below average compared to other Harris County cable providers. Astound Broadband offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Harris County is up to 50 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 50.0 Mbps
Harris County Cable by Area
This information is most helpful to those looking for homes or considering moving to Harris County or any of the areas nearby.
How does cable internet in Harris County compare to the rest of Texas?
Cable internet speeds in Harris County are much faster versus the average speeds in Texas: 0.00 Mbps in Texas versus 1,847 Mbps in the county. The state has similar cable availability compared to the county. Average cable coverage in Texas is 0.00% versus 98.83% in Harris County.
What zip codes have cable internet?
Cable internet coverage varies by zip code and neighborhood. Some examples in or around Harris 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
- Fort Bend County, TX: less cable coverage, slower speeds
- Montgomery County, TX: less cable coverage, slower speeds
- Brazoria County, TX: less cable coverage, slower speeds
- Waller County, TX: less cable coverage, slower speeds
- Galveston County, TX: less cable coverage, faster speeds
- Liberty County, TX: less cable coverage, slower speeds
- Chambers County, TX: less cable coverage, slower speeds
- Austin County, TX: less cable coverage, slower speeds
- Washington County, TX: less cable coverage, slower speeds
- Colorado County, TX: less cable coverage, slower speeds
Counties with Similar Populations
- Maricopa County, AZ: less cable coverage, faster speeds
- Orange County, CA: less cable coverage, slower speeds
- Los Angeles County, CA: less cable coverage, slower speeds
- San Diego County, CA: less cable coverage, slower speeds
- Miami-Dade County, FL: less cable coverage, slower speeds
- Cook County, IL: more cable coverage, slower speeds
- Duval County, FL: more cable coverage, slower speeds
- Bergen County, NJ: more cable coverage, slower speeds
- Montgomery County, PA: more cable coverage, slower speeds
- Delaware County, PA: less cable coverage, faster speeds