Manassas County Demographics

A map of Manassas County's Population by Race

Manassas County, Virginia had a population of 42,772 in 2020. It was 34.6% White, 11.5% Black, 6.3% Asian, 42.9% Hispanic, 0.9% Native American/Other, and 3.7% Multiracial. This map presents the population of Manassas County, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Manassas County is the 41st most populous county of the 133 counties in Virginia.

Manassas County's White Population

14,816 residents of Manassas County identify as White, or 34.6%. This makes the White share of the population of Manassas County considerably less than the White share of the population of Virginia (58.6% White). Of the 133 counties in Virginia, Manassas County is ranked #130 in terms of White residents as a share of the population.

Manassas County is more White than neighboring Manassas Park County (27.3% White). Manassas County is less White than neighboring Prince William County (38.4% White), Fairfax County (53.5% White), Fairfax County (47.1% White), and Fauquier County (75.3% White).

Manassas County's Black Population

4,914 residents of Manassas County identify as Black, or 11.5%. This makes the Black share of the population of Manassas County slightly less than the Black share of the population of Virginia (18.3% Black). Of the 133 counties in Virginia, Manassas County is ranked #74 in terms of Black residents as a share of the population.

Manassas County is more Black than neighboring Fairfax County (4.4% Black), Fairfax County (9.4% Black), and Fauquier County (6.9% Black). Manassas County is less Black than neighboring Prince William County (19.7% Black), and Manassas Park County (12.1% Black).

Manassas County's Asian Population

2,703 residents of Manassas County identify as Asian, or 6.3%. This makes the Asian share of the population of Manassas County roughly similar to the Asian share of the population of Virginia (7.1% Asian). Of the 133 counties in Virginia, Manassas County is ranked #14 in terms of Asian residents as a share of the population.

Manassas County is more Asian than neighboring Fauquier County (1.6% Asian). Manassas County is less Asian than neighboring Prince William County (10.3% Asian), Manassas Park County (10.6% Asian), Fairfax County (18.7% Asian), and Fairfax County (20.3% Asian).

Manassas County's Hispanic Population

18,345 residents of Manassas County identify as Hispanic, or 42.9%. This makes the Hispanic share of the population of Manassas County considerably larger than the Hispanic share of the population of Virginia (10.5% Hispanic). Of the 133 counties in Virginia, Manassas County is ranked #2 in terms of Hispanic residents as a share of the population.

Manassas County is more Hispanic than neighboring Prince William County (25.2% Hispanic), Fairfax County (17.7% Hispanic), Fairfax County (17.3% Hispanic), and Fauquier County (10.7% Hispanic). Manassas County is less Hispanic than neighboring Manassas Park County (45.3% Hispanic).

Manassas County's Native American/Other Population

401 residents of Manassas County identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 0.9%. This makes the Native American/Other share of the population of Manassas 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, Manassas County is ranked #30 in terms of Native American/Other residents as a share of the population.

Manassas County is more Native American/Other than neighboring Fairfax County (0.8% Native American/Other), and Fauquier County (0.7% Native American/Other). Manassas County is less Native American/Other than neighboring Prince William County (1% Native American/Other), Manassas Park County (1% Native American/Other), and Fairfax County (1.1% Native American/Other).

Manassas County's Multiracial Population

1,593 residents of Manassas County identify as Multiracial, or 3.7%. This makes the Multiracial share of the population of Manassas County roughly similar to the Multiracial share of the population of Virginia (4.7% Multiracial). Of the 133 counties in Virginia, Manassas County is ranked #76 in terms of Multiracial residents as a share of the population.

Manassas County is less Multiracial than neighboring Prince William County (5.4% Multiracial), Fairfax County (4.7% Multiracial), Fairfax County (5% Multiracial), and Fauquier County (4.8% Multiracial).

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