District of Columbia County Demographics

A map of District of Columbia County's Population by Race

District of Columbia County, District of Columbia had a population of 689,545 in 2020. It was 38.0% White, 40.9% Black, 4.8% Asian, 11.3% Hispanic, 0.8% Native American/Other, and 4.3% Multiracial. This map presents the population of District of Columbia County, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

District of Columbia County is the most populous county of the 1 counties in District of Columbia.

District of Columbia County's White Population

261,771 residents of District of Columbia County identify as White, or 38.0%. This makes the White share of the population of District of Columbia County roughly similar to the White share of the population of District of Columbia (38% White). Of the 1 counties in District of Columbia, District of Columbia County is ranked #1 in terms of White residents as a share of the population.

District of Columbia County is more White than neighboring Prince George's County (11.3% White). District of Columbia County is less White than neighboring Arlington County (58.5% White), Alexandria County (49.2% White), Falls Church County (67.9% White), and Fairfax County (47.1% White).

District of Columbia County's Black Population

282,066 residents of District of Columbia County identify as Black, or 40.9%. This makes the Black share of the population of District of Columbia County roughly similar to the Black share of the population of District of Columbia (40.9% Black). Of the 1 counties in District of Columbia, District of Columbia County is ranked #1 in terms of Black residents as a share of the population.

District of Columbia County is more Black than neighboring Arlington County (8.5% Black), Alexandria County (19.6% Black), Falls Church County (3.8% Black), and Fairfax County (9.4% Black). District of Columbia County is less Black than neighboring Prince George's County (59.1% Black).

District of Columbia County's Asian Population

33,192 residents of District of Columbia County identify as Asian, or 4.8%. This makes the Asian share of the population of District of Columbia County roughly similar to the Asian share of the population of District of Columbia (4.8% Asian). Of the 1 counties in District of Columbia, District of Columbia County is ranked #1 in terms of Asian residents as a share of the population.

District of Columbia County is more Asian than neighboring Prince George's County (4.3% Asian). District of Columbia County is less Asian than neighboring Arlington County (11.4% Asian), Alexandria County (7% Asian), Falls Church County (10.2% Asian), and Fairfax County (20.3% Asian).

District of Columbia County's Hispanic Population

77,652 residents of District of Columbia County identify as Hispanic, or 11.3%. This makes the Hispanic share of the population of District of Columbia County roughly similar to the Hispanic share of the population of District of Columbia (11.3% Hispanic). Of the 1 counties in District of Columbia, District of Columbia County is ranked #1 in terms of Hispanic residents as a share of the population.

District of Columbia County is more Hispanic than neighboring Falls Church County (10.4% Hispanic). District of Columbia County is less Hispanic than neighboring Arlington County (15.7% Hispanic), Alexandria County (18.4% Hispanic), Prince George's County (21.2% Hispanic), and Fairfax County (17.3% Hispanic).

District of Columbia County's Native American/Other Population

5,379 residents of District of Columbia County identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 0.8%. This makes the Native American/Other share of the population of District of Columbia County roughly similar to the Native American/Other share of the population of District of Columbia (0.8% Native American/Other). Of the 1 counties in District of Columbia, District of Columbia County is ranked #1 in terms of Native American/Other residents as a share of the population.

District of Columbia County is less Native American/Other than neighboring Falls Church County (0.9% Native American/Other).

District of Columbia County's Multiracial Population

29,485 residents of District of Columbia County identify as Multiracial, or 4.3%. This makes the Multiracial share of the population of District of Columbia County roughly similar to the Multiracial share of the population of District of Columbia (4.3% Multiracial). Of the 1 counties in District of Columbia, District of Columbia County is ranked #1 in terms of Multiracial residents as a share of the population.

District of Columbia County is more Multiracial than neighboring Prince George's County (3.2% Multiracial). District of Columbia County is less Multiracial than neighboring Arlington County (5.1% Multiracial), Alexandria County (4.9% Multiracial), Falls Church County (6.7% Multiracial), and Fairfax County (5% Multiracial).

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