Census Dots

Washington County Demographics

A map of Washington County's Population by Race

Race
PopulationPercent
White
21,37890.9%
Multiracial
1,1274.8%
Black
6102.6%
Hispanic
2271.0%
Native American/Other
1320.6%
Asian
400.2%

Washington County, Missouri had a population of 23,514 in 2020. It was 90.9% White, 2.6% Black, 0.2% Asian, 1.0% Hispanic, 0.6% Native American/Other, and 4.8% Multiracial. This map presents the population of Washington County, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Washington County is the 46th most populous county of the 115 counties in Missouri.

Washington County's White Population

21,378 residents of Washington County identify as White, or 90.9%. This makes the White share of the population of Washington County larger than the White share of the population of Missouri (75.8% White). Of the 115 counties in Missouri, Washington County is ranked #58 in terms of White residents as a share of the population.

Washington County is more White than neighboring Iron County (90.2% White), St. Francois County (88.9% White), and Jefferson County (89.7% White). Washington County is less White than neighboring Crawford County (91% White), and Franklin County (91.4% White).

Washington County's Black Population

610 residents of Washington County identify as Black, or 2.6%. This makes the Black share of the population of Washington County slightly less than the Black share of the population of Missouri (11.3% Black). Of the 115 counties in Missouri, Washington County is ranked #35 in terms of Black residents as a share of the population.

Washington County is more Black than neighboring Iron County (1.4% Black), Crawford County (0.6% Black), Jefferson County (1% Black), and Franklin County (0.8% Black). Washington County is less Black than neighboring St. Francois County (4% Black).

Washington County's Asian Population

40 residents of Washington County identify as Asian, or 0.2%. This makes the Asian share of the population of Washington County roughly similar to the Asian share of the population of Missouri (2.1% Asian). Of the 115 counties in Missouri, Washington County is ranked #98 in terms of Asian residents as a share of the population.

Washington County is less Asian than neighboring Iron County (0.4% Asian), Crawford County (0.4% Asian), St. Francois County (0.6% Asian), Jefferson County (0.8% Asian), and Franklin County (0.5% Asian).

Washington County's Hispanic Population

227 residents of Washington County identify as Hispanic, or 1.0%. This makes the Hispanic share of the population of Washington County roughly similar to the Hispanic share of the population of Missouri (4.9% Hispanic). Of the 115 counties in Missouri, Washington County is ranked #110 in terms of Hispanic residents as a share of the population.

Washington County is less Hispanic than neighboring Iron County (1.9% Hispanic), Crawford County (2.1% Hispanic), St. Francois County (1.6% Hispanic), Jefferson County (2.4% Hispanic), and Franklin County (2.1% Hispanic).

Washington County's Native American/Other Population

132 residents of Washington County identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 0.6%. This makes the Native American/Other share of the population of Washington County roughly similar to the Native American/Other share of the population of Missouri (0.9% Native American/Other). Of the 115 counties in Missouri, Washington County is ranked #76 in terms of Native American/Other residents as a share of the population.

Washington County is less Native American/Other than neighboring Iron County (0.7% Native American/Other), and Crawford County (0.7% Native American/Other).

Washington County's Multiracial Population

1,127 residents of Washington County identify as Multiracial, or 4.8%. This makes the Multiracial share of the population of Washington County roughly similar to the Multiracial share of the population of Missouri (5% Multiracial). Of the 115 counties in Missouri, Washington County is ranked #50 in terms of Multiracial residents as a share of the population.

Washington County is more Multiracial than neighboring St. Francois County (4.3% Multiracial), and Franklin County (4.6% Multiracial). Washington County is less Multiracial than neighboring Iron County (5.5% Multiracial), Crawford County (5.2% Multiracial), and Jefferson County (5.5% Multiracial).

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