Virginia · Census place 5126496
Fairfax, Virginia
Fairfax is a city in Fairfax city, Virginia with an estimated 26,340 residents on July 1, 2024. It is the 22nd largest of 137 incorporated places of 1,000+ people in the state.
- Population 2024
- 26,340
- #22 of 137 in Virginia
- Change since 2020
- +8.9%
- +2,161 people
- Land area
- 6.2 sq mi
- + 0.03 sq mi water
- Density
- 4,221 / sq mi
- State median 1,784
Measure from here
Tools and pages that start from Fairfax
Fairfax population, 2020 to 2024
Fairfax added 2,161 residents from July 2020 to July 2024, a change of +8.9%. In the latest year it moved by +914. Among 63 Virginia places of 5,000 or more, that growth ranks 1st; the median place changed by +1.7%. The median place of 5,000+ in Virginia has 16,562 people, so Fairfax is 1.6 times that size.
Fairfax covers 6.24 square miles of land and 0.03 of water, for 4,221 people per square mile of land. The median Virginia place of 5,000+ has 1,784, so Fairfax is denser than the typical town.
What county Fairfax is in
All of Fairfax's residents live in Fairfax city, which had 26,340 residents in 2024. Fairfax holds 100.0% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.
ZIP codes in Fairfax
2 ZIP Code Tabulation Areas (ZCTAs) overlap Fairfax by at least 10% of the ZCTA's or the city's land: 22030, 22031. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.
Where Fairfax is
The Census internal point of Fairfax is at 38.853200, -77.299000. Richmond, the capital, is 91.1 miles S in a straight line. The nearest larger place is Alexandria, VA (159,102 people), 11.8 miles away.
Internal point
- Decimal
- 38.853200, -77.299000
- DMS
- 38°51'11.52"N 77°17'56.40"W
- UTM
- 18N 300503.3E 4302997.8N
- Geohash
- dqcj11086
- Plus code
- 87C4VP32+7C
Daylight in Fairfax
At 38.85° N, Fairfax gets about 14 h 54 min of daylight around the June solstice and 9 h 27 min around the December solstice, a swing of 5 h 27 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.
Places near Fairfax
The eight nearest incorporated places of 1,000+ in Virginia, measured between internal points. The closest is Vienna, 3.8 miles away, with 16,562 people.
Questions people ask
What is the population of Fairfax, VA?
26,340 on July 1, 2024, in the Census Vintage 2024 estimates. That is up 2,161 (8.9%) from 24,179 in July 2020.
What county is Fairfax in?
Fairfax city. All of its residents live in that county.
What ZIP codes cover Fairfax?
2 ZIP Code Tabulation Areas overlap it by at least 10% of either area: 22030, 22031.
How far is Fairfax from Richmond?
91.1 miles (146.6 km) in a straight line, heading S from Fairfax.
What is the nearest larger city to Fairfax?
Alexandria, VA, with 159,102 residents, 11.8 miles away between internal points.
Sources and data as of
Data as of: Census Vintage 2024 subcounty estimates (July 1, 2024), 2024 Gazetteer places, 2020 ZCTA to place relationship file.
- 01Census Vintage 2024 subcounty population estimates
- 02Census 2024 Gazetteer, places
- 03Census 2020 ZCTA to place relationship file
- 04Census 2024 cartographic boundary file, counties (1:5,000,000)
How every number is computed: methodology. Spotted a wrong figure? Report an error.