Fairfax, VA Demographics

A map of Fairfax's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	12,800	12,911	51.1%	53.5%
Hispanic	4,728	4,278	18.9%	17.7%
Asian	4,597	4,519	18.4%	18.7%
Black	1,585	1,052	6.3%	4.4%
Multiracial	1,021	1,129	4.1%	4.7%
Native American/Other	295	257	1.2%	1.1%

Fairfax, Virginia has an estimated population of 25,026, an increase from the 24,146 recorded in the 2020 Census. The population is 51.1% White, 18.9% Hispanic, 18.4% Asian, 6.3% Black, 4.1% Multiracial, and 1.2% Native American/Other. This demographic dot map shows the population of Fairfax, with one dot drawn for each person counted by the Census, color-coded by race.

Fairfax has become more racially diverse since the 2020 Census. It is considerably more diverse than Virginia overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Fairfax, that probability was 64.3% in 2020 and 66.3% in the most recent ACS estimates.

Fairfax is ranked the 46th most populous place in Virginia, out of 688 places. This ranking is based on the Census definition of a place, which includes incorporated places like cities, towns, and villages, as well as unincorporated census-designated places (CDPs). Fairfax was ranked the 48th most populous place in the 2020 Census.

Fairfax's White Population

12,800 residents of Fairfax, or 51.1% of the population, identify as White. The share of White residents in Fairfax is lower than in Virginia overall, where 58.4% of the population is White. Fairfax ranks 509th statewide in terms of White residents as a share of the population, out of 688 places.

Since the 2020 Census, Fairfax's White population has remained roughly the same. White residents' share of Fairfax's population has decreased from 53.5% to 51.1%.

Fairfax is more White than neighboring George Mason (40.7% White). Fairfax is less White than neighboring Oakton (54.3% White), Long Branch (59.9% White), Kings Park West (59.8% White), and Mantua (66.7% White).

Fairfax's Black Population

1,585 residents of Fairfax, or 6.3% of the population, identify as Black. The share of Black residents in Fairfax is considerably lower than in Virginia overall, where 18.3% of the population is Black. Fairfax ranks 432nd statewide in terms of Black residents as a share of the population, out of 688 places.

Since the 2020 Census, Fairfax's Black population has grown by an estimated 50.7%. Black residents' share of Fairfax's population has increased from 4.4% to 6.3%.

Fairfax is more Black than neighboring Long Branch (3% Black), Kings Park West (6% Black), and Mantua (3.4% Black). Fairfax is less Black than neighboring George Mason (23% Black), and Oakton (6.6% Black).

Fairfax's Asian Population

4,597 residents of Fairfax, or 18.4% of the population, identify as Asian. The share of Asian residents in Fairfax is considerably higher than in Virginia overall, where 6.9% of the population is Asian. Fairfax ranks 52nd statewide in terms of Asian residents as a share of the population, out of 688 places.

Since the 2020 Census, Fairfax's Asian population has grown by an estimated 1.7%. Asian residents' share of Fairfax's population has remained roughly unchanged at 18.4%.

Fairfax is more Asian than neighboring George Mason (16.2% Asian), Long Branch (16.3% Asian), Kings Park West (17.4% Asian), and Mantua (17.5% Asian). Fairfax is less Asian than neighboring Oakton (22.4% Asian).

Fairfax's Hispanic Population

4,728 residents of Fairfax, or 18.9% of the population, identify as Hispanic. The share of Hispanic residents in Fairfax is higher than in Virginia overall, where 11% of the population is Hispanic. Fairfax ranks 73rd statewide in terms of Hispanic residents as a share of the population, out of 688 places.

Since the 2020 Census, Fairfax's Hispanic population has grown by an estimated 10.5%. Hispanic residents' share of Fairfax's population has increased from 17.7% to 18.9%.

Fairfax is more Hispanic than neighboring George Mason (14.1% Hispanic), Oakton (10.7% Hispanic), Long Branch (14% Hispanic), Kings Park West (11.2% Hispanic), and Mantua (7.8% Hispanic).

Fairfax's Native American/Other Population

295 residents of Fairfax, or 1.2% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Fairfax is comparable to the share in Virginia overall, where 0.8% of the population is Native American/Other. Fairfax ranks 122nd statewide in terms of Native American/Other residents as a share of the population, out of 688 places.

Since the 2020 Census, Fairfax's Native American/Other population has grown by an estimated 14.8%. Native American/Other residents' share of Fairfax's population has remained roughly unchanged at 1.2%.

Fairfax is more Native American/Other than neighboring George Mason (0.5% Native American/Other), Oakton (1% Native American/Other), Long Branch (0.2% Native American/Other), Kings Park West (0.4% Native American/Other), and Mantua (0% Native American/Other).

Fairfax's Multiracial Population

1,021 residents of Fairfax, or 4.1% of the population, identify as Multiracial. The share of Multiracial residents in Fairfax is comparable to the share in Virginia overall, where 4.7% of the population is Multiracial. Fairfax ranks 257th statewide in terms of Multiracial residents as a share of the population, out of 688 places.

Since the 2020 Census, Fairfax's Multiracial population has declined by an estimated 9.6%. Multiracial residents' share of Fairfax's population has decreased from 4.7% to 4.1%.

Fairfax is less Multiracial than neighboring George Mason (5.5% Multiracial), Oakton (5% Multiracial), Long Branch (6.7% Multiracial), Kings Park West (5.2% Multiracial), and Mantua (4.6% Multiracial).

Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.