In 2018, King County, WA had a population of 2.23M people with a median age of 36.8 and a median household income of $95,009. Between 2017 and 2018 the population of King County, WA grew from 2.19M to 2.23M, a 2.03% increase and its median household income grew from $89,675 to $95,009, a 5.95% increase.
The 5 largest ethnic groups in King County, WA are White (Non-Hispanic) (58.7%), Asian (Non-Hispanic) (17.8%), Black or African American (Non-Hispanic) (6.58%), Two or More Races (Non-Hispanic) (5.61%), and White (Hispanic) (4.41%). 28.1% of the people in King County, WA speak a non-English language, and 87.8% are U.S. citizens.
The median property value in King County, WA is $635,200, and the homeownership rate is 56%. Most people in King County, WA commute by Drove Alone, and the average commute time is 28.1 minutes. The average car ownership in King County, WA is 2 cars per household.