Mason County Demographics

A map of Mason County's Population by Race

Mason County, Washington had a population of 65,726 in 2020. It was 75.5% White, 1.0% Black, 1.2% Asian, 11.6% Hispanic, 4.0% Native American/Other, and 6.8% Multiracial. This map presents the population of Mason County, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Mason County is the 20th most populous county of the 39 counties in Washington.

Mason County's White Population

49,591 residents of Mason County identify as White, or 75.5%. This makes the White share of the population of Mason County slightly larger than the White share of the population of Washington (63.8% White). Of the 39 counties in Washington, Mason County is ranked #19 in terms of White residents as a share of the population.

Mason County is more White than neighboring Thurston County (70.6% White), and Kitsap County (72.2% White). Mason County is less White than neighboring Jefferson County (85.6% White), and Pacific County (79.6% White).

Mason County's Black Population

688 residents of Mason County identify as Black, or 1.0%. This makes the Black share of the population of Mason County roughly similar to the Black share of the population of Washington (3.8% Black). Of the 39 counties in Washington, Mason County is ranked #14 in terms of Black residents as a share of the population.

Mason County is more Black than neighboring Jefferson County (0.6% Black), and Pacific County (0.4% Black). Mason County is less Black than neighboring Thurston County (3% Black), Kitsap County (2.7% Black), and Grays Harbor County (1.3% Black).

Mason County's Asian Population

758 residents of Mason County identify as Asian, or 1.2%. This makes the Asian share of the population of Mason County slightly less than the Asian share of the population of Washington (9.4% Asian). Of the 39 counties in Washington, Mason County is ranked #23 in terms of Asian residents as a share of the population.

Mason County is less Asian than neighboring Thurston County (5.7% Asian), Jefferson County (1.5% Asian), Kitsap County (5.1% Asian), Grays Harbor County (1.4% Asian), and Pacific County (2% Asian).

Mason County's Hispanic Population

7,595 residents of Mason County identify as Hispanic, or 11.6%. This makes the Hispanic share of the population of Mason County roughly similar to the Hispanic share of the population of Washington (13.7% Hispanic). Of the 39 counties in Washington, Mason County is ranked #14 in terms of Hispanic residents as a share of the population.

Mason County is more Hispanic than neighboring Thurston County (9.8% Hispanic), Jefferson County (4% Hispanic), Kitsap County (8.8% Hispanic), Grays Harbor County (10.4% Hispanic), and Pacific County (9.4% Hispanic).

Mason County's Native American/Other Population

2,597 residents of Mason County identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 4.0%. This makes the Native American/Other share of the population of Mason 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, Mason County is ranked #7 in terms of Native American/Other residents as a share of the population.

Mason County is more Native American/Other than neighboring Thurston County (2.9% Native American/Other), Jefferson County (2.4% Native American/Other), Kitsap County (2.9% Native American/Other), and Pacific County (2.8% Native American/Other). Mason County is less Native American/Other than neighboring Grays Harbor County (5.3% Native American/Other).

Mason County's Multiracial Population

4,497 residents of Mason County identify as Multiracial, or 6.8%. This makes the Multiracial share of the population of Mason County roughly similar to the Multiracial share of the population of Washington (6.6% Multiracial). Of the 39 counties in Washington, Mason County is ranked #7 in terms of Multiracial residents as a share of the population.

Mason County is more Multiracial than neighboring Jefferson County (5.9% Multiracial), Grays Harbor County (6.2% Multiracial), and Pacific County (5.7% Multiracial). Mason County is less Multiracial than neighboring Thurston County (7.9% Multiracial), and Kitsap County (8.3% Multiracial).

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