In King County there are 2 residential Cable providers covering 98.77% of the county. The average home can get speeds up to 1,873 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 King County, WA.
To see availability maps for all providers including fiber, cable, DSL, and more in King County, WA please click below.
King County, WA Availability Maps
Cable Internet Service Providers in King 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 King County are not shown.
King 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 King County is cable internet available?
Cable Internet Availability Key
Cable is available in 98.77% of King 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 King County above to see who has service at your home.
How fast is cable internet in King County?
The map below shows maximum cable internet speeds by area in King County.
Cable Internet Speed Key
The average King County home can get up to 1,873 Mbps on their cable internet plan. The fastest cable download speed in the county is 2,000 Mbps, which 82.24% 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 500 Mbps. See the internet provider details below for info about their speed and coverage in King County.
Cable internet speeds tend to be faster in the northwest parts of King County, and slower in the south areas of the county.
Is cable the fastest internet I can get in King County?
The fastest internet for you may vary based on where in King County you live. In general, fiber competes most often with cable in the county.
- Fiber is the fastest internet type for 40.52% of King County homes.
- Cable is fastest for 58.35% 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 King County homes.
Cable Providers in Depth
Below you'll find which TV and internet providers offer service in King County, along with details on where in King County and at what speeds.
XFINITY from Comcast Cable in King County, WA
XFINITY cable coverage
About 97.48%, or 2,212,483 people, have XFINITY cable internet available to them in the county. The company covers the entire King County area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in most of King County.
XFINITY from Comcast cable download speeds
XFINITY is above average when comparing download speeds to all other internet providers in King County. Versus other cable providers in the area, XFINITY cable is the fastest. There are 2 different maximum speeds throughout King County. The fastest plan anyone in King 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 King County customers is up to 1,875 Mbps.
Show all download speeds
- 84.4% up to 2,000.0 Mbps
- 15.6% up to 1,200.0 Mbps
XFINITY from Comcast cable upload speeds
In King 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 King County cable providers. XFINITY offers 3 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 King 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 628 Mbps.
Show all upload speeds
- 23.5% up to 2,000.0 Mbps
- 60.8% up to 250.0 Mbps
- 15.6% up to 35.0 Mbps
Astound Broadband Cable in King County, WA
Astound Broadband cable coverage
About 13.63%, or 309,424 people, have Astound Broadband cable internet available to them in the county. The company covers the west, central, northeast, east, northwest, north, southwest, and south King 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 King County.
Astound Broadband cable download speeds
Astound Broadband is above average when comparing download speeds to all other internet providers in King County. Versus other cable providers in the area, Astound Broadband cable is above average. There are no different maximum speeds throughout King County. The fastest plan anyone in King County can order from Astound Broadband goes up to 1,500 Mbps, and all King County customers can get this speed.
Show all download speeds
- 100.0% up to 1,500.0 Mbps
Astound Broadband cable upload speeds
In King 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 King County cable providers. Astound Broadband offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in King County is up to 50 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 50.0 Mbps
King County Cable by Area
This information is most helpful to those looking for homes or considering moving to King County or any of the areas nearby.
How does cable internet in King County compare to the rest of Washington?
Cable internet speeds in King County are much faster versus the average speeds in Washington: 0.00 Mbps in Washington versus 1,873 Mbps in the county. The state has similar cable availability compared to the county. Average cable coverage in Washington is 0.00% versus 98.77% in King County.
What zip codes have cable internet?
Cable internet coverage varies by zip code and neighborhood. Some examples in or around King 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
- Kitsap County, WA: less cable coverage, slower speeds
- Snohomish County, WA: less cable coverage, faster speeds
- Pierce County, WA: less cable coverage, slower speeds
- Mason County, WA: less cable coverage, slower speeds
- Jefferson County, WA: less cable coverage, slower speeds
- Thurston County, WA: less cable coverage, slower speeds
- Clallam County, WA: less cable coverage, slower speeds
- Kittitas County, WA: less cable coverage, slower speeds
- Chelan County, WA: less cable coverage, slower speeds
- Douglas County, WA: less cable coverage, slower speeds
Counties with Similar Populations
- Orange County, CA: less cable coverage, slower speeds
- Maricopa County, AZ: less cable coverage, faster speeds
- Los Angeles County, CA: less cable coverage, slower speeds
- San Diego County, CA: less cable coverage, slower speeds
- Harris County, TX: more cable coverage, slower speeds
- Miami-Dade County, FL: less cable coverage, slower speeds
- Cook County, IL: more cable coverage, slower speeds
- Burlington County, NJ: less cable coverage, slower speeds
- Jefferson County, KY: less cable coverage, slower speeds
- Macomb County, MI: more cable coverage, slower speeds