County
King County
Washington
2,287,171 population$124,746 median income1,841,577 voting age0 active campaigns
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Officials Representing King County
US House
State Legislature
Amy Walen
Democratic
State House · District 48
Bob Hasegawa
Democratic
State Senate · District 11
Brian Burnett
Republican
State House · District 12
Brianna Thomas
Democratic
State House · District 34
Chipalo Street
Democratic
State House · District 37
Chris Stearns
Democratic
State House · District 47
Cindy Ryu
Democratic
State House · District 32
Claire Wilson
Democratic
State Senate · District 30
Claudia Kauffman
Democratic
State Senate · District 47
Darya Farivar
Democratic
State House · District 46
Congressional District Coverage
King County is 76% in WA Congressional District 8, 11% in WA Congressional District 7, 9% in WA Congressional District 9, and 4% across 1 other district.
Area-weighted; population-weighted shares may differ in counties with large urban/rural density splits.
Median Income
$124,746
↑ 27%vs $98,141
Bachelor's+
56.7%
↑ 43%vs 39.6%
Under 18
19.5%
↓ 9%vs 21.4%
Owner-Occupied
55.5%
↓ 13%vs 63.8%
White (non-Hispanic)
54.7%
↔ 17%vs 65.8%
Demographics
American Community Survey 2024 5-year estimates
Race & Ethnicity
White54.7%
Hispanic/Latino11.0%
Black6.6%
Asian20.7%
Two or More11.6%
Other6.4%
Income & Economy
Median Household Income$124,746
Per Capita Income$74,100
Poverty Rate8.6%
Unemployment4.8%
Education
High School+93.8%
Bachelor's+56.7%
Housing
Median Home Value$859,900
Median Rent$2,092
Owner-Occupied55.5%
Health Insurance
Uninsured5.2%
Age Distribution
Under 1819.5%
65 and Over14.0%
Median Age37.4