11 Best Internet Providers in King County, WA

Compare Providers Ranked by Coverage, Speed, and Customer Ratings

Above are the top 4 providers in King County, WA for most people based on high speed internet coverage, speeds, and customer reviews. Click below to see all providers in your county.

All Providers

Speed and technology may vary by address for all providers. Please note we may have a financial relationship with some of the providers above, which does not impact the customer ratings displayed. Customer ratings listed above are national ratings, local King County ratings may vary and are shown below.

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3. King County, WA Internet Service Providers
   

Who is the Best Internet Provider in King County, WA?

T-Mobile Home Internet is the best internet provider in King County based on Washington customer satisfaction ratings and reviews. Based on our extensive and unbiased survey, T-Mobile Home Internet had the best reviews at the local, state, and national levels versus all available providers in King County, making it a solid recommendation among providers with reviews. T-Mobile Home Internet is an option for 96.62% of the county.

The chart and table below show average customer ratings from customers in King County, Washington, and customers throughout the country.

Top Rated Internet Providers in King County

Local, State, and National Ratings for all King County Internet Providers

Based on 222 reviews from Washington internet customers, T-Mobile Home Internet is the best internet service provider for King County residents. T-Mobile Home Internet was rated at an average of 3.90 out of 5 in our report for overall customer satisfaction. Quantum Fiber wins for second-place in Washington, with 4.50 out of 5 stars and 42.6% coverage in King County.

At a national level, based on 4599 national reviews for any of the providers listed above, Google Fiber is rated higher than any other provider, with a rating of 4.18 out of 5.

Who is the Fastest Internet Provider in King County?

According to unbiased feedback from real internet customers in the county, they reported being happiest with speeds provided by Quantum Fiber. On the other hand, based on data provided by the internet providers to the FCC, Ziply should have faster speeds at a local level. While we typically put more weight on real-world customer ratings, we display both satisfaction and technical maximum information for customers to decide for themselves.

Data Reported to FCC by ISPs: Average Maximum Available in King County

	ISP / Tech Type	Max Advertised Speed
	Quantum Fiber	8,000 Mbps
	Ziply	6,000 Mbps
	Astound Broadband	2,000 Mbps
	Centurylink	2,000 Mbps
	XFINITY from Comcast	2,000 Mbps
	Google Fiber	1,000 Mbps
	Verizon	1,000 Mbps
	AT&T	100 Mbps
	EarthLink	100 Mbps
	T-Mobile Home Internet	100 Mbps
	Viasat	100 Mbps
	SkyNet Broadband	85 Mbps
	HughesNet	25 Mbps

Customer Ratings for Internet Provider Speeds in King County

Based on data reported by King County ISPs to the FCC, the fastest speeds in the county are available through Ziply. The company offers speeds up to 8,000 Mbps in King County. Therefore, the average customer can get up to 5,185 Mbps if they're willing to purchase the fastest subscription tier available at their homes.

Additionally, actual customers in the county rated their satisfaction with internet speed highest with Quantum Fiber. This indicates Quantum Fiber reliably delivers speeds expected by the customer based on the plan they are paying for.

Who is the Cheapest Internet Provider in King County?

Washington customers rate T-Mobile Home Internet as the cheapest internet service provider in state. Data comes from customers in the state rating their satisfaction with pricing. This feedback is valuable because it considers price changes and whether the speeds paid for are worth it.

T-Mobile Home Internet received a local rating of 5.00 out of 5, which is higher than the average across all internet providers in the country. Quantum Fiber is rated in second place for affordability by the company’s King County customers with an average price rating of 4.00 out of 5.

The chart and graph below show how customers in King County, Washington, and the United States rated the affordability of their internet service.

Rated Affordability in King County

King County Internet Health Assessment

ISP Reports evaluates the technological infrastructure across the United States. This includes assessing a grade for ISP providers and infrastructure in the county and setting an index number for the digital connectivity of its residents. You can view the ISP Report Card and the Digital Connectivity Index for King County below, including the metrics used and how King County compares to the rest of Washington and nation.

King County ISP Report Card: B

	Metric (hover for details)	King County	Washington	USA
	Fiber Availability Percent The percentage of households in King County that have a Fiber internet connection available to their home.	60.06%	51.43%	67.25%
	Average Download SpeedThe maximum download speed most households can get on average. This is measured by availability in a block group and weighted by the population in that area.	2,666 Mbps	2,720 Mbps	3,293 Mbps
	Provider CountThe number of providers available for most people. This is a weighted average by block rather than a total for King County.	6.5	6.5	6.8

 

King County Digital Connectivity Index: 83 / 100

	Metric (hover for details)	King County	Washington	USA
	Average Household SizeA larger household size in a county indicates that there will be a greater need for bandwidth due to simultaneous usage, multiple devices, and network congestion.	2.5	2.6	2.7
	Work From Home PercentA higher percent of the population working from home indicates bandwidth requirements being more widely needed rather than consolidated to commercial portions of the city.	26%	17%	14%
	Households with DevicesA higher percentage of households with computing devices in the home indicates a higher level of infrastructure needed to support those households.	98%	97%	95%
	Households with InternetA higher percentage of households with internet indicates a higher need for usage and connectivity in people’s daily lives.	95%	93%	90%
	Households with BroadbandA higher percentage of households with a broadband connection (defined as speeds above 25 Mbps) indicates heavier usage needs within these households.	85%	80%	75%
	Broadband Usage vs. AvailabilityThis measures what percentage of households who have a broadband connection to their home actually have an active subscription to that service.	86%	81%	76%

King County ISP Report Card & Digital Connectivity Index

The ISP Report Card in King County is B, which is much better than other counties. The local demand for broadband internet connectivity in King County is high with a score of 83 / 100 in our Digital Connectivity Index. This means that internet service providers operating in King County have done a great job meeting the needs of its residents.

The King County ISP Report Card evaluates the county on availability and speed metrics compared to other counties in the United States. ISP Infrastructure can vary greatly and on its own isn’t a perfect measure of what a county needs. Please see our ISP Report Card along with the Digital Connectivity Index above to evaluate how well the connectivity demand is met by the existing infrastructure.

95% of King County households have an internet connection despite having 99.20% availability. 85% of households have fiber, cable, or DSL, 4% have satellite, 0% are still on dial-up, and 2% of households have internet but don’t pay for a subscription because it’s subsidized by the Affordable Connectivity Program.

As you can see in the table above, while 85% of households have a broadband connection such as fiber, cable or DSL available to their home, 86% subscribe to it. A very large amount of King County residents are taking advantage of the available internet infrastructure.

For more details, please visit our ISP Report Card and Digital Connectivity Index pages.

How do Neighboring Counties Compare to King County?

How Much Speed does a King County Household Need?

Higher speed is typically preferred, but that comes at a higher price. The average size of a household in King County is 2.5, which is smaller than the Washington average of 2.6 and smaller than the national average of 2.7. King County's average household income is $134,908 which is much higher than the Washington average of $106,027 and much higher than the national average of $90,606. Homes with more people living in them and with higher incomes tend to indicate more devices being used more often.

King County also has 15% of its population enrolled in school between the 6th grade and college level, this is higher than the Washington average of 15%. Additionally, 26% of residents work from home, which is higher than the 17% of residents in Washington who work from home. This and other factors you can see above show us that the community of King County has a very high need for internet connectivity and speeds.

Compared to the rest of the country, King County households are much more technology-engaged. 98% of households have some sort of computing device, 92% have desktops or laptops in the home, and 96% have smartphones. To see what speeds you are currently getting, please visit our internet speed test tool.

Which Fiber Internet Providers are Available in King County?

Which Cable Internet Providers are Available in King County?

Which DSL Internet Providers are Available in King County?

Which Fixed Wireless and LTE Internet Providers are Available in King County?

Which ISP Should You Choose in King County?

The right ISP for you depends upon your needs, but in general we can make the following suggestions:

• The best all-around internet service provider in King County is T-Mobile Home Internet.
• The fastest internet provider should be Ziply. Considering speed for the money and reliability in speeds, Quantum Fiber may be a better choice based on real-world local customer feedback.
• The most affordable internet provider in King County is T-Mobile Home Internet.
• XFINITY from Comcast, Viasat, and HughesNet has the broadest coverage in King County, and is most likely to cover your home. To find out exactly what's available at your home, please use our address search tool.

How does King County compare to other cities with a similar population?

To see how King County stacks up on the national level, it's useful to look at some other cities with similarly sized populations. Below you can see a list of these cities and how they compare to King County's B ISP Report Card and 83 / 100 Digital Connectivity Index.