Fairfax County, Virginia Demographics 2026
Fairfax County, Virginia has a population of 1,147,837, the 1st most populous county in Virginia. The median household income is $153,637 and the median home value is $732,800. The poverty rate is 5.9%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Fairfax County Quick Facts
How Fairfax County Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 1,144,474 | 1,147,837 | +0.3% |
| Median household income | $150,113 | $153,637 | +2.3% |
| Median home value | $699,700 | $732,800 | +4.7% |
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
This community is exceptionally diverse, with no single racial or ethnic group dominating the population.
State average: 61 | National average: 61
Education
Educational Attainment (Adults 25+)
Cities & Places in Fairfax County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Centreville | 71,706 | $139,510 | 7.2% | $590,500 |
| Reston | 64,414 | $148,710 | 5.7% | $642,000 |
| McLean | 49,627 | $250,000+ | 2.9% | $1,412,700 |
| Burke | 44,029 | $185,818 | 3.2% | $747,700 |
| Annandale | 41,705 | $116,263 | 12.1% | $681,300 |
| Oakton | 36,528 | $160,663 | 4.6% | $792,100 |
| Fair Oaks | 35,545 | $123,947 | 5.7% | $608,200 |
| West Falls Church | 31,279 | $134,978 | 7.9% | $706,800 |
| Springfield | 31,154 | $125,999 | 8.9% | $640,300 |
| Tysons | 28,936 | $129,818 | 7.9% | $640,000 |
| Herndon | 24,672 | $148,000 | 8.1% | $599,100 |
| Bailey's Crossroads | 24,271 | $88,483 | 22.5% | $416,600 |
| Chantilly | 24,036 | $157,124 | 5.8% | $663,600 |
| McNair | 22,655 | $122,778 | 6.1% | $595,800 |
| West Springfield | 22,532 | $163,115 | 1.9% | $637,300 |
| Woodlawn (Fairfax County) | 21,194 | $91,884 | 10.6% | $367,200 |
| Rose Hill (Fairfax County) | 21,066 | $174,950 | 2.6% | $687,600 |
| Lorton | 20,991 | $138,685 | 7.4% | $626,500 |
| Merrifield | 20,698 | $136,373 | 5.1% | $660,800 |
| Lincolnia | 20,320 | $121,639 | 7.7% | $647,400 |
| Franklin Farm | 18,736 | $215,544 | 1.5% | $829,600 |
| Kingstowne | 18,360 | $151,535 | 4.4% | $626,700 |
| Franconia | 18,335 | $152,474 | 2.8% | $567,100 |
| Idylwood | 17,559 | $120,109 | 5.5% | $756,900 |
| Hybla Valley | 17,257 | $80,959 | 9.4% | $503,000 |
| Burke Centre | 17,037 | $164,123 | 5.3% | $641,700 |
| Fort Hunt | 16,700 | $216,038 | 2.2% | $927,400 |
| Vienna | 16,412 | $216,953 | 5.0% | $1,008,800 |
| Wolf Trap | 15,858 | $250,000+ | 3.1% | $1,204,000 |
| Great Falls | 15,228 | $250,000+ | 2.2% | $1,411,000 |
| Groveton | 13,931 | $101,974 | 13.2% | $585,000 |
| Huntington | 13,502 | $99,956 | 7.3% | $541,900 |
| Newington | 13,478 | $155,027 | 2.2% | $598,000 |
| Kings Park West | 13,442 | $170,039 | 6.2% | $742,800 |
| Mount Vernon | 13,122 | $163,750 | 5.6% | $836,200 |
| Fairfax Station | 12,566 | $212,224 | 1.7% | $897,000 |
| Newington Forest | 12,316 | $149,107 | 3.1% | $592,200 |
| Wakefield | 11,930 | $237,975 | 1.8% | $861,600 |
| Dranesville | 11,828 | $214,688 | 2.8% | $744,500 |
| Lake Barcroft | 10,973 | $140,882 | 5.6% | $887,300 |
| Difficult Run | 9,938 | $250,000+ | 1.5% | $1,111,400 |
| George Mason | 9,937 | $150,341 | 5.8% | $728,000 |
| Woodburn | 9,503 | $134,013 | 10.8% | $764,100 |
| Seven Corners | 9,371 | $77,400 | 17.8% | $318,700 |
| Dunn Loring | 8,957 | $244,265 | 5.1% | $951,400 |
| Fair Lakes | 8,894 | $127,332 | 5.5% | $588,200 |
| Fort Belvoir | 8,449 | $104,205 | 2.9% | N/A |
| Mantua | 8,298 | $213,047 | 2.8% | $1,001,200 |
| Greenbriar | 8,243 | $142,634 | 4.7% | $662,500 |
| Bull Run (Fairfax County) | 7,823 | $241,933 | 4.3% | $918,700 |
| Floris | 7,589 | $246,058 | 2.4% | $872,800 |
| Laurel Hill | 7,450 | $155,667 | 4.2% | $696,000 |
| Hutchison | 7,284 | $105,651 | 14.5% | $476,900 |
| North Springfield | 7,050 | $130,400 | 6.4% | $649,700 |
| Long Branch | 7,034 | $185,208 | 1.7% | $842,400 |
| South Run | 6,600 | $250,000+ | 2.1% | $978,500 |
| Pimmit Hills | 6,589 | $172,880 | 1.6% | $966,500 |
| Belle Haven | 6,570 | $140,574 | 1.9% | $689,400 |
| Braddock | 6,536 | $211,689 | 0.9% | $941,600 |
| Crosspointe | 5,669 | $250,000+ | 3.7% | $951,400 |
| Union Mill | 4,484 | $250,000+ | 4.4% | $961,400 |
| Hayfield | 4,392 | $192,250 | 1.8% | $677,500 |
| Kings Park | 4,315 | $166,150 | 1.9% | $635,300 |
| Navy | 3,839 | $238,676 | 4.4% | $1,004,000 |
| Ravensworth | 2,475 | $166,094 | 0.7% | $714,400 |
| Sully Square | 2,394 | $175,781 | 0.8% | $677,000 |
| Mason Neck | 2,039 | $167,857 | 1.1% | $818,300 |
| Great Falls Crossing | 1,414 | $250,000+ | 1.9% | $989,100 |
| Occoquan | 910 | $134,323 | 2.1% | $496,500 |
| Clifton | 312 | $232,500 | 0.0% | $1,050,000 |
Explore Virginia Rankings
Population Overview
Fairfax County is located in Virginia with a total population of 1,147,837. It is the 1st most populous county out of 133 in Virginia. The county encompasses 70 Census-designated places.
Age Demographics
The median age in Fairfax County is 39.1 years. This is about the same as the state median of 39.0 years.
Economy, Income & Housing
The median household income in Fairfax County is $153,637. This is 65% higher than the state median of $93,170. It is also 90% higher than the national median of $80,734. The poverty rate stands at 5.9%. This is 40% lower than the state poverty rate of 9.9%. The unemployment rate is 4.2%. The median home value is $732,800. Housing costs are 91% higher than the state median of $383,700. The home-value-to-income ratio is 4.8x. 68.6% of occupied housing units are owner-occupied. This homeownership rate is 2% higher than the state average of 67.3%.
Race & Ethnicity
The largest racial or ethnic group in Fairfax County is White (non-Hispanic), making up 46.8% of the population. Asian residents account for 19.9%. The Hispanic or Latino population is significantly higher than the state average (17.6% vs 11.0%). The Asian population is significantly higher than the state average (19.9% vs 6.9%).
Education
65.0% of residents aged 25 and older hold a bachelor's degree or higher. This places Fairfax County in the top 10% of all counties in the state for educational attainment. This is 54% higher than the state rate of 42.2%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 93.2%. Notably, 33.0% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All figures for Fairfax County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Virginia and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.
Frequently Asked Questions
What is the population of Fairfax County, Virginia?
Fairfax County has a population of 1,147,837, making it the 1st most populous county in Virginia.
What is the median income in Fairfax County?
The median household income in Fairfax County is $153,637 with a poverty rate of 5.9%.
How many cities are in Fairfax County, Virginia?
Fairfax County contains 70 Census-designated places.