Fairfax Population

2010–2026

100

2026 projection

3.1% since 2020 (increase)

020406080100120201020122014201620182020202220242026

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.
202610000.00%
202510000.00%
2024100+11.01%
202399+11.02%
202298+11.03%
20219700.00%
202097-1916.38%
2019116-10.85%
2018117+10.86%
2017116+10.87%

Showing 10 of 17 years.

Fairfax Demographics

48.2median age

Median age

Female53.4 yrs
Male32.5 yrs

Adults

87
21 seniors · 24%66 other adults

Sex

Female 63.9% · 76Male 36.1% · 43

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 1 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

$72,656median household income

Median household income

$72,656

Half of households earn more, half earn less

Median earnings

$43,194

Typical yearly pay for a worker 25 or older.

Poverty rate

5.9%

About 1 in 17 residents

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

Fairfax Marital Status

47% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married47%73%34%
Never married28%17%33%
Divorced11%0%16%
Widowed14%10%16%
Separated1%0%2%

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