Fairfax Population

2010–2026

2,942

2026 projection

3.2% since 2020 (increase)

05001K1.5K2K2.5K3K201020122014201620182020202220242026

Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Fairfax. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20262,942+170.58%
20252,925+60.21%
20242,919+170.59%
20232,902+120.42%
20222,890+331.16%
20212,857+60.21%
20202,851-50.18%
20192,856+943.40%
20182,762+1003.76%
20172,662+742.86%

Showing 10 of 17 years.

Fairfax Demographics

38.5median age

Median age

Female39.3 yrs
Male38 yrs

Adults

2,093
400 seniors · 19%1,693 other adults

Sex

Female 48% · 1,393Male 52% · 1,507

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 29 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Fairfax Income

$114,375median household income

Median household income

$114,375

Half of households earn more, half earn less

Median earnings

$62,462

Typical yearly pay for a worker 25 or older.

Poverty rate

6.2%

About 1 in 16 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Fairfax Marital Status

67% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married67%68%66%
Never married22%23%21%
Divorced7%7%7%
Widowed3%1%5%
Separated<1%<1%1%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201