In Black Diamond there is 1 residential Cable provider covering 92.98% of the city. The average home can get speeds up to 1,960 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 Black Diamond, WA.
To see availability maps for all providers including fiber, cable, DSL, and more in Black Diamond, WA please click below.
Black Diamond, WA Availability Maps
Cable Internet Service Provider in Black Diamond
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 Black Diamond are not shown.
Black Diamond 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 Black Diamond is cable internet available?
Cable Internet Availability Key
Cable is available in 92.98% of Black Diamond. 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 Black Diamond above to see who has service at your home.
How fast is cable internet in Black Diamond?
The map below shows maximum cable internet speeds by area in Black Diamond.
Cable Internet Speed Key
The average Black Diamond home can get up to 1,960 Mbps on their cable internet plan. The fastest cable download speed in the city is 2,000 Mbps, which 88.34% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 4.64% of homes can only purchase plans up to 1,200 Mbps. See the internet provider details below for info about their speed and coverage in Black Diamond.
Cable internet speeds tend to be faster in the northwest parts of Black Diamond, and slower in the southwest areas of the city.
Is cable the fastest internet I can get in Black Diamond?
The fastest internet for you may vary based on where in Black Diamond you live. In general, fiber competes most often with cable in the city.
- Fiber is the fastest internet type for 11.55% of Black Diamond homes.
- Cable is fastest for 81.43% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 6.65%.
- Satellite internet may be the only option for less than 1% of Black Diamond homes.
Cable Providers in Depth
Below you'll find which TV and internet providers offer service in Black Diamond, along with details on where in Black Diamond and at what speeds.
XFINITY from Comcast Cable in Black Diamond, WA
XFINITY cable coverage
About 92.98%, or 4,952 people, have XFINITY cable internet available to them in the city. The company covers the entire Black Diamond area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in most of Black Diamond.
XFINITY from Comcast cable download speeds
XFINITY is above average when comparing download speeds to all other internet providers in Black Diamond. Versus other cable providers in the area, XFINITY cable is the fastest. There are 2 different maximum speeds throughout Black Diamond. The fastest plan anyone in Black Diamond can order from XFINITY goes up to 2,000 Mbps, the slowest package only goes up to 1,200 Mbps, and the city-wide average maximum speed for Black Diamond customers is up to 1,960 Mbps.
Show all download speeds
- 95.0% up to 2,000.0 Mbps
- 5.0% up to 1,200.0 Mbps
XFINITY from Comcast cable upload speeds
In Black Diamond 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 Black Diamond cable providers. XFINITY offers 2 different upload speeds across the city, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Black Diamond 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 239 Mbps.
Show all upload speeds
- 95.0% up to 250.0 Mbps
- 5.0% up to 35.0 Mbps
Black Diamond Cable by Area
This information is most helpful to those looking for homes or considering moving to Black Diamond or any of the areas nearby.
How does cable internet in Black Diamond compare to the rest of Washington?
Cable internet speeds in Black Diamond are much faster versus the average speeds in Washington: 0.00 Mbps in Washington versus 1,960 Mbps in the city. The state has similar cable availability compared to the city. Average cable coverage in Washington is 0.00% versus 92.98% in Black Diamond.
What zip codes have cable internet?
Cable internet coverage varies by zip code and neighborhood. Some examples in or around Black Diamond 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 cities?
Below are cities nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Cities
- Kummer, WA: less cable coverage, slower speeds
- Maple Valley, WA: more cable coverage, faster speeds
- Lake Morton-Berrydale, WA: more cable coverage, slower speeds
- Ravensdale, WA: less cable coverage, slower speeds
- Wabash, WA: less cable coverage, slower speeds
- Covington, WA: more cable coverage, faster speeds
- Hobart, WA: more cable coverage, faster speeds
- Kangley, WA: less cable coverage, faster speeds
- Enumclaw, WA: less cable coverage, slower speeds
- Selleck, WA: more cable coverage, faster speeds
Cities with Similar Populations
- Evans City, PA: less cable coverage, slower speeds
- Enfield, NC: less cable coverage, slower speeds
- Englewood Cliffs, NJ: more cable coverage, slower speeds
- Lexington, MO: less cable coverage, slower speeds
- Onalaska, TX: more cable coverage, slower speeds
- Leslie, MI: less cable coverage, slower speeds
- Orange Grove, TX: less cable coverage, slower speeds
- Simpsonville, KY: less cable coverage, slower speeds
- Oregon, IL: less cable coverage, slower speeds
- Orofino, ID: less cable coverage, slower speeds