In 2020, King County, WA had a population of 2.23M people with a median age of 37 and a median household income of $99,158. Between 2019 and 2020 the population of King County, WA grew from 2.2M to 2.23M, a 1.35% increase and its median household income grew from $94,974 to $99,158, a 4.41% increase.
The 5 largest ethnic groups in King County, WA are White (Non-Hispanic) (58.2%), Asian (Non-Hispanic) (18.2%), Black or African American (Non-Hispanic) (6.36%), Two+ (Non-Hispanic) (5.71%), and White (Hispanic) (3.94%).
None of the households in King County, WA reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
87.4% of the residents in King County, WA are U.S. citizens.
In 2020, the median property value in King County, WA was $601,100, and the homeownership rate was 56.5%. Most people in King County, WA drove alone to work, and the average commute time was 29.8 minutes. The average car ownership in King County, WA was 2 cars per household.