County · Virginia

Fairfax County, Virginia

Fairfax County, Virginia. Fairfax County had 1,167,873 residents in 2025 by the Census Bureau's estimate, up 1.5% since 2020, slower than Virginia (+2.9%). It holds 70 places (4 cities, villages and boroughs and 66 census-designated) and 274 census tracts. GEOID 51059.

Fairfax County is one of the 23 counties of the Washington-Arlington-Alexandria, DC-VA-MD-WV metropolitan statistical area (the Census Bureau's July 2023 delineation).

Residents, July 2025 estimate

1,167,873

Census Bureau estimate (no margin published)
2020 Census count: 1,150,309 · ACS 2020-2024: 1,147,837

Median household income

$153,637

±$1,635 (90% margin)
Virginia: $93,170

Median home value

$732,800

±$4,766 (90% margin)
Virginia: $383,700

Median gross rent

$2,276

±$15 (90% margin)
Virginia: $1,579

How many people live in Fairfax County, and is it growing?

The 2020 Census counted 1,150,309 residents in Fairfax County. The Census Bureau estimates 1,167,873 for July 1, 2025, up 1.5% since 2020, slower than Virginia (+2.9%). The 2020-2024 American Community Survey puts the population at 1,147,837 over 391 square miles of land.

July 2020→2021 −6,052 (1,142,546)
2021→2022 −3,693 (1,138,853)
2022→2023 +4,603 (1,143,456)
2023→2024 +16,350 (1,159,806)
2024→2025 +8,067 (1,167,873)

Fairfax County in Virginia. Boundaries: Census Bureau 2024.

Counts, ACS 2020-2024 5-year estimates, with the change from 2015-2019
Measure	Fairfax County	Virginia	Change since 2015-2019
Total population	1,147,837	8,705,170	+1,975
Households	414,101±1,274	3,365,732	+17,600
Average household size	2.75±0.01	2.52	−0.12
Housing units	430,047±184	3,684,756	+16,162

Fairfax County's population since 2000

From 969,749 in 2000 to 1,167,873 in 2025: up 20.4%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.

2000 Census 969,749
2005 (estimate) 1,019,490
2010 Census 1,081,726
2015 (estimate) 1,141,040
2020 Census 1,150,309
2025 (estimate) 1,167,873

Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov

What cities and towns are in Fairfax County?

Fairfax County holds 70 places: 4 cities, villages and boroughs (incorporated places) and 66 census-designated places. The largest is Centreville with 71,706 residents (2020-2024). Places that cross a county line are listed with the share of their 2020 residents who live in this county.

Places in Fairfax County, ACS 2020-2024 5-year estimates. Ring: estimate with a coefficient of variation over 40%.

Centreville	CDP	73,518	71,706±3,472	$139,510	$590,500	7.2%	100%
Reston	CDP	63,226	64,414±2,368	$148,710	$642,000	5.7%	100%
McLean	CDP	50,773	49,627±1,811	$250,000 or more	$1,412,700	2.9%	100%
Annandale	CDP	43,363	41,705±1,493	$116,263	$681,300	12.1%	100%
Burke	CDP	42,312	44,029±1,806	$185,818	$747,700	3.2%	100%
Oakton	CDP	36,732	36,528±1,886	$160,663	$792,100	4.6%	100%
Fair Oaks	CDP	34,052	35,545±2,323	$123,947	$608,200	5.7%	100%
Springfield	CDP	31,339	31,154±1,847	$125,999	$640,300	8.9%	100%
West Falls Church	CDP	30,243	31,279±2,571	$134,978	$706,800	7.9%	100%
Tysons	CDP	26,374	28,936±1,835	$129,818	$640,000	7.9%	100%
Bailey's Crossroads	CDP	24,749	24,271±1,872	$88,483	$416,600	22.5%	100%
Herndon	town	24,655	24,672±39	$148,000	$599,100	8.1%	100%
Chantilly	CDP	24,301	24,036±1,426	$157,124	$663,600	5.8%	100%
West Springfield	CDP	23,369	22,532±1,026	$163,115	$637,300	1.9%	100%
Lincolnia	CDP	22,922	20,320±1,405	$121,639	$647,400	7.7%	100%
McNair	CDP	21,598	22,655±1,487	$122,778	$595,800	6.1%	100%
Rose Hill (Fairfax County)	CDP	21,045	21,066±1,258	$174,950	$687,600	2.6%	100%
Woodlawn (Fairfax County)	CDP	20,859	21,194±1,614	$91,884	$367,200	10.6%	100%
Merrifield	CDP	20,488	20,698±1,349	$136,373	$660,800	5.1%	100%
Lorton	CDP	20,072	20,991±2,369	$138,685	$626,500	7.4%	100%
Franklin Farm	CDP	19,189	18,736±1,164	$215,544	$829,600	1.5%	100%
Franconia	CDP	18,943	18,335±1,266	$152,474	$567,100	2.8%	100%
Idylwood	CDP	17,954	17,559±1,051	$120,109	$756,900	5.5%	100%
Burke Centre	CDP	17,518	17,037±920	$164,123	$641,700	5.2%	100%
Fort Hunt	CDP	17,231	16,700±981	$216,038	$927,400	2.2%	100%
Kingstowne	CDP	16,825	18,360±1,488	$151,535	$626,700	4.4%	100%
Wolf Trap	CDP	16,496	15,858±1,022	$250,000 or more	$1,204,000	3.1%	100%
Vienna	town	16,473	16,412±37	$216,953	$1,008,800	5.0%	100%
Hybla Valley	CDP	16,319	17,257±2,427	$80,959	$503,000	9.4%	100%
Great Falls	CDP	15,953	15,228±901	$250,000 or more	$1,411,000	2.2%	100%
Groveton	CDP	15,725	13,931±888	$101,974	$585,000	13.2%	100%
Huntington	CDP	13,749	13,502±1,155	$99,956	$541,900	7.3%	100%
Kings Park West	CDP	13,465	13,442±1,031	$170,039	$742,800	6.2%	100%
Newington	CDP	13,223	13,478±1,011	$155,027	$598,000	2.2%	100%
Newington Forest	CDP	12,957	12,316±923	$149,107	$592,200	3.1%	100%
Mount Vernon	CDP	12,914	13,122±1,088	$163,750	$836,200	5.6%	100%
Fairfax Station	CDP	12,420	12,566±1,192	$212,224	$897,000	1.7%	100%
Wakefield, Fairfax County	CDP	11,805	11,930±931	$237,975	$861,600	1.8%	100%
Dranesville	CDP	11,785	11,828±1,217	$214,688	$744,500	2.8%	100%
George Mason	CDP	11,162	9,937±570	$150,341	$728,000	5.8%	100%
Difficult Run	CDP	10,600	9,938±828	$250,000 or more	$1,111,400	1.4%	100%
Lake Barcroft	CDP	9,770	10,973±764	$140,882	$887,300	5.6%	100%
Dunn Loring	CDP	9,464	8,957±770	$244,265	$951,400	5.1%	100%
Seven Corners	CDP	9,131	9,371±1,052	$77,400	$318,700	17.8%	100%
Woodburn	CDP	8,797	9,503±1,550	$134,013	$764,100	10.8%	100%
Greenbriar	CDP	8,421	8,243±675	$142,634	$662,500	4.7%	100%
Fair Lakes	CDP	8,404	8,894±796	$127,332	$588,200	5.5%	100%
Floris	CDP	8,341	7,589±656	$246,058	$872,800	2.4%	100%
Laurel Hill	CDP	8,307	7,450±1,018	$155,667	$696,000	4.2%	100%
Long Branch	CDP	7,890	7,034±964	$185,208	$842,400	1.6%	100%
Fort BelvoirGEOID 5129008	CDP	7,637	8,449±1,092	$104,205	not published	2.9%	100%
Mantua	CDP	7,503	8,298±1,083	$213,047	$1,001,200	2.8%	100%
North Springfield	CDP	7,430	7,050±1,026	$130,400	$649,700	6.4%	100%
Bull Run (Fairfax County)	CDP	6,972	7,823±1,000	$241,933	$918,700	4.3%	100%
Belle Haven, Fairfax County	CDP	6,851	6,570±794	$140,574	$689,400	1.9%	100%
Pimmit Hills	CDP	6,569	6,589±803	$172,880	$966,500	1.6%	100%
Braddock	CDP	6,549	6,536±848	$211,689	$941,600	0.9%	100%
South Run	CDP	6,462	6,600±1,149	$250,000 or more	$978,500	2.1%	100%
Hutchison	CDP	6,231	7,284±1,197	$105,651	$476,900	14.5%	100%
Crosspointe	CDP	5,722	5,669±634	$250,000 or more	$951,400	3.7%	100%
Union Mill	CDP	4,997	4,484±668	$250,000 or more	$961,400	4.4%	100%
Kings Park	CDP	4,537	4,315±791	$166,150	$635,300	1.9%	100%
Navy	CDP	4,327	3,839±510	$238,676	$1,004,000	4.4%	100%
Hayfield	CDP	4,154	4,392±731	$192,250	$677,500	1.8%	100%
Ravensworth	CDP	2,680	2,475±736	$166,094	$714,400	0.6%	100%
Sully Square	CDP	2,300	2,394±677	$175,781	$677,000	0.8%	100%
Mason Neck	CDP	2,025	2,039±255	$167,857	$818,300	1.1%	100%
Great Falls CrossingGEOID 5132498	CDP	1,392	1,414±528	$250,000 or more	$989,100	1.9%	100%
CliftonGEOID 5117376	town	243	312±157	$232,500	$1,050,000	0.0%	100%
Occoquan	town	1,035	910±192	$134,323	$496,500	2.1%	0%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov

Who lives in Fairfax County?

The median resident of Fairfax County is 39.1 years old; 22.9% are under 18 and 15.0% are 65 or older. The largest group is non-Hispanic white residents at 46.8%, then non-Hispanic Asian residents at 19.9%. 30.8% of residents were born outside the United States.

Age, origin and education, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
Measure	Fairfax County	Virginia	Change since 2015-2019
Median age	39.1±0.2	39.0	+1.1
Under 18 years	22.9%	21.7%	–
65 years and over	15.0%±0.1 pts	16.7%	–
Hispanic or Latino (any race)	17.6%	11.0%	+1.3 pts
White alone, not Hispanic	46.8%±0.1 pts	58.4%	−3.9 pts
Black or African American alone, not Hispanic	9.4%±0.1 pts	18.3%	no clear change
Asian alone, not Hispanic	19.9%±0.2 pts	6.9%	+0.8 pts
American Indian and Alaska Native alone, not Hispanic	0.1%±0.1 pts	0.1%	–
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0.0%±0.1 pts	0.1%	–
Two or more races, not Hispanic	5.4%±0.2 pts	4.7%	–
Some other race alone, not Hispanic	0.8%±0.1 pts	0.6%	–
Born outside the United States	30.8%±0.4 pts	13.1%	no clear change
Speak a language other than English at home (age 5+)	39.0%±0.5 pts	17.4%	–
Civilian veterans (age 18+)	7.5%±0.2 pts	9.4%	–
With a disability	8.0%±0.2 pts	12.5%	–
No health insurance coverage	7.1%±0.3 pts	6.9%	−1.1 pts
High school graduate or higher (age 25+)	93.2%±0.3 pts	91.6%	–
Bachelor's degree or higher (age 25+)	65.0%±0.4 pts	42.2%	+3.4 pts
Graduate or professional degree (age 25+)	33.0%±0.5 pts	18.5%	–
Moved from another state in the past year	3.2%±0.2 pts	3.1%	–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov

What do households in Fairfax County earn?

Half of Fairfax County's 414,101 households earn less than $153,637 a year (±$1,635), against $93,170 in Virginia. In 2015-2019 it was $153,629 in 2024 dollars; the margins of error cannot tell the two periods apart. 5.9% of residents live below the poverty line.

Income and poverty in 2024 dollars, ACS 2020-2024 5-year estimates
Measure	Fairfax County	Virginia	Change since 2015-2019
Median household income	$153,637±$1,635	$93,170	no clear change
Mean household income	$195,941±$1,866	$128,260	–
Per capita income	$71,828±$695	$50,666	+$2,625
People below the poverty line	5.9%±0.3 pts	9.9%	no clear change
Children under 18 below the poverty line	7.2%±0.7 pts	12.3%	no clear change
Households receiving SNAP	4.3%±0.2 pts	9.1%	–
Households with a broadband subscription	96.4%±0.2 pts	91.0%	–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What does housing cost in Fairfax County?

Owners occupy 68.6% of Fairfax County's occupied homes and renters 31.4%. The median owner-occupied home is valued at $732,800 by its owner (±$4,766). The median renter pays $2,276 a month including utilities, and 36.3% of renters pay 35% or more of their income on rent.

Housing, ACS 2020-2024 5-year estimates
Measure	Fairfax County	Virginia	Change since 2015-2019
Median home value (owner-occupied)	$732,800±$4,766	$383,700	+$39,796
Median gross rent	$2,276±$15	$1,579	−$39
Renters paying 35% or more of income on rent	36.3%±1.3 pts	39.4%	no clear change
Median monthly owner costs, with a mortgage	$3,227±$24	$2,127	–
Owner-occupied homes	68.6%±0.5 pts	67.3%	no clear change
Housing units	430,047±184	3,684,756	+16,162
Homeowner vacancy rate	0.4%±0.1 pts	0.8%	–
Rental vacancy rate	4.4%±0.6 pts	4.8%	–
Single-family detached homes	45.5%±0.4 pts	61.3%	–
Mobile homes	0.5%±0.1 pts	4.3%	–
Built 2020 or later	1.3%±0.1 pts	1.7%	–
Built 1939 or earlier	1.1%±0.1 pts	7.0%	–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov

How many new homes is Fairfax County building?

Builders took permits for 2,862 new housing units across Fairfax County in 2025 (740 single-family), 2.5 per 1,000 residents.

2019 2,138 units
2020 1,605 units
2021 2,105 units
2022 1,987 units
2023 3,248 units
2024 2,861 units
2025 2,862 units

Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey

How do people in Fairfax County get to work?

55.4% of Fairfax County's workers drive alone and 28.7% work from home. The average trip to work takes 28.9 minutes. The unemployment rate in 2020-2024 averaged 4.2%.

Work and commuting, ACS 2020-2024 5-year estimates
Measure	Fairfax County	Virginia	Change since 2015-2019
In the labor force (age 16+)	70.8%±0.3 pts	65.4%	–
Unemployment rate	4.2%±0.2 pts	4.3%	+0.3 pts
Drove alone to work	55.4%±0.6 pts	67.6%	–
Carpooled	7.7%±0.4 pts	8.0%	–
Public transportation	4.7%±0.3 pts	2.3%	–
Walked	1.7%±0.2 pts	2.1%	–
Worked from home	28.7%±0.5 pts	18.3%	+22.0 pts
Mean travel time to work	28.9 min±0.3	27.3 min	−3.4 min

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What are Fairfax County's census tracts?

Fairfax County is divided into 274 census tracts. Among those with a reliable estimate, median household income runs from $65,543 (Tract 4523.02) to $250,000 or more (Tract 4925).

All 274 census tracts of Fairfax County, with their figures

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov

How does Fairfax County compare with Virginia's other counties?

Fairfax County's rank among Virginia's counties with a reliable estimate (1 = highest)
Measure	Rank
Population	1st of 133
Growth 2020-2025	69th of 133
Residents per square mile	12th of 133
Median household income	2nd of 133
Median home value	5th of 133
Median gross rent	3rd of 133
Poverty rate	121st of 133
Bachelor's degree or higher	4th of 133
Median age	91st of 133

Every county in Virginia

Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed

How these figures are made: methodology and release checks · reading a margin of error · every state · corrections

Not on this page: crime, weather and schools for Fairfax County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.