King County Demographics

A map of King County's Population by Race

King County, Washington had a population of 2,269,675 in 2020. It was 54.2% White, 6.5% Black, 19.8% Asian, 10.7% Hispanic, 2.0% Native American/Other, and 6.8% Multiracial. This map presents the population of King County, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

King County is the most populous county of the 39 counties in Washington.

King County's White Population

1,230,588 residents of King County identify as White, or 54.2%. This makes the White share of the population of King County slightly less than the White share of the population of Washington (63.8% White). Of the 39 counties in Washington, King County is ranked #35 in terms of White residents as a share of the population.

King County is less White than neighboring Pierce County (61.9% White), Snohomish County (63.8% White), Kitsap County (72.2% White), Skagit County (71.3% White), and Island County (75.8% White).

King County's Black Population

147,831 residents of King County identify as Black, or 6.5%. This makes the Black share of the population of King County roughly similar to the Black share of the population of Washington (3.8% Black). Of the 39 counties in Washington, King County is ranked #2 in terms of Black residents as a share of the population.

King County is more Black than neighboring Snohomish County (3.4% Black), Kitsap County (2.7% Black), Skagit County (0.6% Black), and Island County (2.6% Black). King County is less Black than neighboring Pierce County (6.8% Black).

King County's Asian Population

449,729 residents of King County identify as Asian, or 19.8%. This makes the Asian share of the population of King County slightly larger than the Asian share of the population of Washington (9.4% Asian). Of the 39 counties in Washington, King County is ranked #1 in terms of Asian residents as a share of the population.

King County is more Asian than neighboring Pierce County (6.7% Asian), Snohomish County (12.2% Asian), Kitsap County (5.1% Asian), Skagit County (2.1% Asian), and Island County (4.5% Asian).

King County's Hispanic Population

243,021 residents of King County identify as Hispanic, or 10.7%. This makes the Hispanic share of the population of King County roughly similar to the Hispanic share of the population of Washington (13.7% Hispanic). Of the 39 counties in Washington, King County is ranked #17 in terms of Hispanic residents as a share of the population.

King County is more Hispanic than neighboring Kitsap County (8.8% Hispanic), and Island County (8.2% Hispanic). King County is less Hispanic than neighboring Pierce County (12.1% Hispanic), Snohomish County (11.6% Hispanic), and Skagit County (18.4% Hispanic).

King County's Native American/Other Population

44,747 residents of King County identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 2.0%. This makes the Native American/Other share of the population of King County roughly similar to the Native American/Other share of the population of Washington (2.6% Native American/Other). Of the 39 counties in Washington, King County is ranked #23 in terms of Native American/Other residents as a share of the population.

King County is more Native American/Other than neighboring Island County (1.7% Native American/Other). King County is less Native American/Other than neighboring Pierce County (3.6% Native American/Other), Snohomish County (2.1% Native American/Other), Kitsap County (2.9% Native American/Other), and Skagit County (2.4% Native American/Other).

King County's Multiracial Population

153,759 residents of King County identify as Multiracial, or 6.8%. This makes the Multiracial share of the population of King County roughly similar to the Multiracial share of the population of Washington (6.6% Multiracial). Of the 39 counties in Washington, King County is ranked #8 in terms of Multiracial residents as a share of the population.

King County is more Multiracial than neighboring Skagit County (5.1% Multiracial). King County is less Multiracial than neighboring Pierce County (8.8% Multiracial), Snohomish County (6.9% Multiracial), Kitsap County (8.3% Multiracial), and Island County (7.1% Multiracial).

Source: 2020 Census State Redistricting Data and Census TIGER/Line Shapefiles.