Snohomish County Demographics

A map of Snohomish County's Population by Race

Snohomish County, Washington had a population of 827,957 in 2020. It was 63.8% White, 3.4% Black, 12.2% Asian, 11.6% Hispanic, 2.1% Native American/Other, and 6.9% Multiracial. This map presents the population of Snohomish County, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Snohomish County is the 3rd most populous county of the 39 counties in Washington.

Snohomish County's White Population

528,415 residents of Snohomish County identify as White, or 63.8%. This makes the White share of the population of Snohomish County roughly similar to the White share of the population of Washington (63.8% White). Of the 39 counties in Washington, Snohomish County is ranked #31 in terms of White residents as a share of the population.

Snohomish County is more White than neighboring King County (54.2% White). Snohomish County is less White than neighboring Skagit County (71.3% White), Whatcom County (75.1% White), Island County (75.8% White), and Kitsap County (72.2% White).

Snohomish County's Black Population

28,392 residents of Snohomish County identify as Black, or 3.4%. This makes the Black share of the population of Snohomish County roughly similar to the Black share of the population of Washington (3.8% Black). Of the 39 counties in Washington, Snohomish County is ranked #3 in terms of Black residents as a share of the population.

Snohomish County is more Black than neighboring Skagit County (0.6% Black), Whatcom County (1% Black), Island County (2.6% Black), and Kitsap County (2.7% Black). Snohomish County is less Black than neighboring King County (6.5% Black).

Snohomish County's Asian Population

100,654 residents of Snohomish County identify as Asian, or 12.2%. This makes the Asian share of the population of Snohomish County roughly similar to the Asian share of the population of Washington (9.4% Asian). Of the 39 counties in Washington, Snohomish County is ranked #2 in terms of Asian residents as a share of the population.

Snohomish County is more Asian than neighboring Skagit County (2.1% Asian), Whatcom County (4.4% Asian), Island County (4.5% Asian), and Kitsap County (5.1% Asian). Snohomish County is less Asian than neighboring King County (19.8% Asian).

Snohomish County's Hispanic Population

95,644 residents of Snohomish County identify as Hispanic, or 11.6%. This makes the Hispanic share of the population of Snohomish County roughly similar to the Hispanic share of the population of Washington (13.7% Hispanic). Of the 39 counties in Washington, Snohomish County is ranked #15 in terms of Hispanic residents as a share of the population.

Snohomish County is more Hispanic than neighboring King County (10.7% Hispanic), Whatcom County (10.1% Hispanic), Island County (8.2% Hispanic), and Kitsap County (8.8% Hispanic). Snohomish County is less Hispanic than neighboring Skagit County (18.4% Hispanic).

Snohomish County's Native American/Other Population

17,649 residents of Snohomish County identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 2.1%. This makes the Native American/Other share of the population of Snohomish 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, Snohomish County is ranked #21 in terms of Native American/Other residents as a share of the population.

Snohomish County is more Native American/Other than neighboring King County (2% Native American/Other), and Island County (1.7% Native American/Other). Snohomish County is less Native American/Other than neighboring Skagit County (2.4% Native American/Other), Whatcom County (3.3% Native American/Other), and Kitsap County (2.9% Native American/Other).

Snohomish County's Multiracial Population

57,203 residents of Snohomish County identify as Multiracial, or 6.9%. This makes the Multiracial share of the population of Snohomish County roughly similar to the Multiracial share of the population of Washington (6.6% Multiracial). Of the 39 counties in Washington, Snohomish County is ranked #6 in terms of Multiracial residents as a share of the population.

Snohomish County is more Multiracial than neighboring Skagit County (5.1% Multiracial), King County (6.8% Multiracial), and Whatcom County (6.2% Multiracial). Snohomish County is less Multiracial than neighboring Island County (7.1% Multiracial), and Kitsap County (8.3% Multiracial).

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