Fairfax County Demographics

A map of Fairfax County's Population by Race

Fairfax County, Virginia had a population of 1,150,309 in 2020. It was 47.1% White, 9.4% Black, 20.3% Asian, 17.3% Hispanic, 0.8% Native American/Other, and 5.0% Multiracial. This map presents the population of Fairfax County, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Fairfax County is the most populous county of the 133 counties in Virginia.

Fairfax County's White Population

542,001 residents of Fairfax County identify as White, or 47.1%. This makes the White share of the population of Fairfax County slightly less than the White share of the population of Virginia (58.6% White). Of the 133 counties in Virginia, Fairfax County is ranked #114 in terms of White residents as a share of the population.

Fairfax County is more White than neighboring Manassas Park County (27.3% White). Fairfax County is less White than neighboring Fairfax County (53.5% White), Falls Church County (67.9% White), Arlington County (58.5% White), and Alexandria County (49.2% White).

Fairfax County's Black Population

108,339 residents of Fairfax County identify as Black, or 9.4%. This makes the Black share of the population of Fairfax County slightly less than the Black share of the population of Virginia (18.3% Black). Of the 133 counties in Virginia, Fairfax County is ranked #78 in terms of Black residents as a share of the population.

Fairfax County is more Black than neighboring Fairfax County (4.4% Black), Falls Church County (3.8% Black), and Arlington County (8.5% Black). Fairfax County is less Black than neighboring Manassas Park County (12.1% Black), and Alexandria County (19.6% Black).

Fairfax County's Asian Population

233,858 residents of Fairfax County identify as Asian, or 20.3%. This makes the Asian share of the population of Fairfax County larger than the Asian share of the population of Virginia (7.1% Asian). Of the 133 counties in Virginia, Fairfax County is ranked #2 in terms of Asian residents as a share of the population.

Fairfax County is more Asian than neighboring Fairfax County (18.7% Asian), Falls Church County (10.2% Asian), Manassas Park County (10.6% Asian), Arlington County (11.4% Asian), and Alexandria County (7% Asian).

Fairfax County's Hispanic Population

199,234 residents of Fairfax County identify as Hispanic, or 17.3%. This makes the Hispanic share of the population of Fairfax County slightly larger than the Hispanic share of the population of Virginia (10.5% Hispanic). Of the 133 counties in Virginia, Fairfax County is ranked #8 in terms of Hispanic residents as a share of the population.

Fairfax County is more Hispanic than neighboring Falls Church County (10.4% Hispanic), and Arlington County (15.7% Hispanic). Fairfax County is less Hispanic than neighboring Fairfax County (17.7% Hispanic), Manassas Park County (45.3% Hispanic), and Alexandria County (18.4% Hispanic).

Fairfax County's Native American/Other Population

9,255 residents of Fairfax 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 Fairfax County roughly similar to the Native American/Other share of the population of Virginia (0.8% Native American/Other). Of the 133 counties in Virginia, Fairfax County is ranked #45 in terms of Native American/Other residents as a share of the population.

Fairfax County is less Native American/Other than neighboring Fairfax County (1.1% Native American/Other), Falls Church County (0.9% Native American/Other), and Manassas Park County (1% Native American/Other).

Fairfax County's Multiracial Population

57,622 residents of Fairfax County identify as Multiracial, or 5.0%. This makes the Multiracial share of the population of Fairfax County roughly similar to the Multiracial share of the population of Virginia (4.7% Multiracial). Of the 133 counties in Virginia, Fairfax County is ranked #23 in terms of Multiracial residents as a share of the population.

Fairfax County is more Multiracial than neighboring Fairfax County (4.7% Multiracial), Manassas Park County (3.7% Multiracial), and Alexandria County (4.9% Multiracial). Fairfax County is less Multiracial than neighboring Falls Church County (6.7% Multiracial), and Arlington County (5.1% Multiracial).

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