Loudoun County Demographics

A map of Loudoun County's Population by Race

Loudoun County, Virginia had a population of 420,959 in 2020. It was 51.5% White, 7.1% Black, 21.2% Asian, 14.2% Hispanic, 0.8% Native American/Other, and 5.2% Multiracial. This map presents the population of Loudoun County, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Loudoun County is the 4th most populous county of the 133 counties in Virginia.

Loudoun County's White Population

216,865 residents of Loudoun County identify as White, or 51.5%. This makes the White share of the population of Loudoun County slightly less than the White share of the population of Virginia (58.6% White). Of the 133 counties in Virginia, Loudoun County is ranked #109 in terms of White residents as a share of the population.

Loudoun County is more White than neighboring Manassas Park County (27.3% White), and Manassas County (34.6% White). Loudoun County is less White than neighboring Jefferson County (79.3% White), Clarke County (83.3% White), and Fauquier County (75.3% White).

Loudoun County's Black Population

29,725 residents of Loudoun County identify as Black, or 7.1%. This makes the Black share of the population of Loudoun County slightly less than the Black share of the population of Virginia (18.3% Black). Of the 133 counties in Virginia, Loudoun County is ranked #88 in terms of Black residents as a share of the population.

Loudoun County is more Black than neighboring Jefferson County (5.9% Black), Clarke County (3.8% Black), and Fauquier County (6.9% Black). Loudoun County is less Black than neighboring Manassas Park County (12.1% Black), and Manassas County (11.5% Black).

Loudoun County's Asian Population

89,372 residents of Loudoun County identify as Asian, or 21.2%. This makes the Asian share of the population of Loudoun County larger than the Asian share of the population of Virginia (7.1% Asian). Of the 133 counties in Virginia, Loudoun County is ranked #1 in terms of Asian residents as a share of the population.

Loudoun County is more Asian than neighboring Jefferson County (1.4% Asian), Clarke County (1.4% Asian), Manassas Park County (10.6% Asian), Manassas County (6.3% Asian), and Fauquier County (1.6% Asian).

Loudoun County's Hispanic Population

59,744 residents of Loudoun County identify as Hispanic, or 14.2%. This makes the Hispanic share of the population of Loudoun County roughly similar to the Hispanic share of the population of Virginia (10.5% Hispanic). Of the 133 counties in Virginia, Loudoun County is ranked #13 in terms of Hispanic residents as a share of the population.

Loudoun County is more Hispanic than neighboring Jefferson County (7.2% Hispanic), Clarke County (6% Hispanic), and Fauquier County (10.7% Hispanic). Loudoun County is less Hispanic than neighboring Manassas Park County (45.3% Hispanic), and Manassas County (42.9% Hispanic).

Loudoun County's Native American/Other Population

3,188 residents of Loudoun 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 Loudoun 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, Loudoun County is ranked #55 in terms of Native American/Other residents as a share of the population.

Loudoun County is more Native American/Other than neighboring Jefferson County (0.7% Native American/Other), and Fauquier County (0.7% Native American/Other). Loudoun County is less Native American/Other than neighboring Clarke County (0.9% Native American/Other), Manassas Park County (1% Native American/Other), and Manassas County (0.9% Native American/Other).

Loudoun County's Multiracial Population

22,065 residents of Loudoun County identify as Multiracial, or 5.2%. This makes the Multiracial share of the population of Loudoun County roughly similar to the Multiracial share of the population of Virginia (4.7% Multiracial). Of the 133 counties in Virginia, Loudoun County is ranked #16 in terms of Multiracial residents as a share of the population.

Loudoun County is more Multiracial than neighboring Clarke County (4.6% Multiracial), Manassas Park County (3.7% Multiracial), Manassas County (3.7% Multiracial), and Fauquier County (4.8% Multiracial). Loudoun County is less Multiracial than neighboring Jefferson County (5.5% Multiracial).

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