Fairfax city, Virginia Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 71st-largest in Virginia
The population of Fairfax city, Virginia is 24,478 as of the 2023 American Community Survey, making it the 71st-largest county in Virginia. The median household income is $132,774, the median home value is $677,400, and the median age is 37.3.
The population of Fairfax city has grown 16.5% since 2010 (22,616 → 26,340), a +1.09% annualized rate.
24,478
Population
+1.09%
Annual growth
3922
People / sq mi
$132,774
Median Income
$677,400
Median Home Value
Fairfax city covers 6 sq mi of land at 3922.1 people per square mile.
About Fairfax city, VA
Educational attainment is the headline number in Fairfax city: 62.3% of adults 25 and older have a four-year degree. With 24,478 residents, Fairfax city is a county in Virginia.
Income is a real outlier — the median household pulls in $132,774, putting Fairfax city near the top of US counties. Only 6.2% of residents live in poverty, below the national 12.4%. Home prices are steep, with the typical property valued at $677,400, with typical rent around $2,122.
The population is unusually well-credentialed for US counties — 62.3% of adults have a four-year degree, above the national 35.0%. An unusually large 25.2% of workers are remote, above the national 14.0%, and the average commute runs about 28 minutes each way.
The education numbers are the throughline: a college-heavy population in Fairfax city usually coincides with higher incomes and a workforce concentrated in professional and information industries.
Fairfax city Population History (2010-2024)
The county of Fairfax city had a population of 22,616 in 2010 and 26,340 in 2024, a 16.5% growth over 14 years. The peak was 26,340 in 2024. Average annual growth rate: 1.10%.
26,340
Population (2024)
22,616
Population (2010)
26,340
Peak (2024)
1.10%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 22,616 |
| 2011 | 22,467 |
| 2012 | 22,904 |
| 2013 | 23,241 |
| 2014 | 23,324 |
| 2015 | 23,247 |
| 2016 | 23,305 |
| 2017 | 23,274 |
| 2018 | 23,256 |
| 2019 | 23,294 |
| 2020 | 24,179 |
| 2021 | 24,361 |
| 2022 | 24,825 |
| 2023 | 25,426 |
| 2024 | 26,340 |
Race & Ethnicity
| White | 56.3% |
| Black or African American | 6.4% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.5% |
| Two or More Races | 0.0% |
Age & Sex
37.3
Median Age
50.7%
Female
49.3%
Male
14.2%
Age 65+
Age Distribution
Children (under 15): 20.4% · Seniors (65+): 14.2%
Income & Poverty
| Median household income | $132,774+$41,800 vs state |
| Mean household income | $170,219 |
| Per-capita income | $62,800 |
| Poverty rate | 6.2%-0.6% vs state |
| Unemployment rate | 3.2% |
| Employment-to-population | 68.1% |
Top Industries by Employment
The largest employment sector in Fairfax city is finance & real estate, accounting for 27.4% of workers.
How residents commute
3.8%
Drive alone
2.7%
Carpool
57.0%
Public transit
25.2%
Work from home
27.7 min
Avg commute
Housing
$677,400+$316,700 vs state
Median home value
$2,122
Median rent
69.3%
Homeownership rate
9,317
Total housing units
98.3%
Occupied
1.7%
Vacant
30.7%
Renter-occupied
Social & access
92.6%
With health insurance
98.8%
With broadband internet
36.0%
Foreign-born
7.6%
Veterans (18+)
7.5%
With a disability
63.1%
Speak language other than English at home
Education
91.8%
High School+
62.3%
Bachelor's+
Largest cities in Virginia
Other counties in Virginia
Part of Virginia
Metro areas in Virginia
County rankings
Frequently Asked Questions
Fairfax city, Virginia has a population of 24,478 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 71st-largest county in Virginia. Population density is 3922 people per square mile.
The population of Fairfax city has grown 16.5% since 2010 (22,616 → 26,340), a +1.09% annualized rate.
The median household income in Fairfax city, Virginia is $132,774, with mean (average) household income of $170,219 and per-capita income of $62,800. 6.2% of residents live below the federal poverty level.
In Fairfax city, the largest racial and ethnic groups are White (56.3%), Black or African American (6.4%), Hispanic or Latino (1.5%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Fairfax city, Virginia is 37.3 years. Residents are 50.7% female and 49.3% male.
The median home value in Fairfax city is $677,400 and median monthly rent is $2,122. 69.3% of occupied housing units are owner-occupied. The county has 9,317 total housing units, 1.7% of which are vacant.
The largest employment sector in Fairfax city, Virginia is finance, insurance, and real estate, employing 27.4% of workers. The unemployment rate is 3.2%.
Virginia Beach is among the largest cities associated with Fairfax city, Virginia, with a population of 457,066.
Fairfax city, VA Climate
Fairfax city, VA has an average annual temperature of 13.2°C (56°F) and receives about 1034 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
13.2°C
Avg Temp
1034
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 1° / 33° | 75 mm |
| February | 2° / 36° | 69 mm |
| March | 7° / 45° | 87 mm |
| April | 13° / 55° | 79 mm |
| May | 18° / 64° | 102 mm |
| June | 23° / 73° | 92 mm |
| July | 25° / 77° | 93 mm |
| August | 24° / 75° | 95 mm |
| September | 20° / 69° | 93 mm |
| October | 14° / 57° | 83 mm |
| November | 8° / 47° | 86 mm |
| December | 3° / 38° | 80 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Fairfax city, VA
The most comfortable months to visit Fairfax city, VA are typically September, June and August, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 31°C high). The coldest is January (near -4°C low). May is usually the wettest month.
Where to stay near Fairfax city
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Full rankings of Virginia counties
Statewide data for Virginia
Population, race, income, age, and trends across Virginia
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.