Data / Median age / Fairfax city

Median age in Fairfax city

Median age in Fairfax city was 36.6 years in 2024, according to the U.S. Census Bureau. That is down 0.7 from 2023. That is the 111th highest of 133 counties in 2024.

2024, years36.6
Change on 2023-0.7
Rank111th of 133Counties in Virginia ranked
Series high37.72021
Series low36.62024

Median age in Fairfax city, 2021 to 2024

CSVChart (SVG)

36.536.83737.337.537.820212022202320242021: 37.7 years2022: 37.5 years2023: 37.3 years2024: 36.6 years
years. Source: U.S. Census Bureau. Retrieved 2026-10-08, published 2026-01-29.
All 4 values
Periodyears
202436.6
202337.3
202237.5
202137.7

Compared with Virginia and United States

Place2024
Fairfax city36.6
Virginia39
United States38.9

Rankings

Definition

Age that divides the resident population into two halves of equal size. Spain and the EU: on 1 January. United States: American Community Survey five-year estimate, where the period shown is the last year of the five-year span.

How to cite

U.S. Census Bureau. American Community Survey 5-year estimates, table B01002: median age, total population. https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b01002.dat. Retrieved 2026-10-08.

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Questions

What is the median age in Fairfax city?

Median age in Fairfax city was 36.6 years in 2024, according to the U.S. Census Bureau. That is down 0.7 from 2023. That is the 111th highest of 133 counties in 2024.

Where does this figure come from?

U.S. Census Bureau. American Community Survey 5-year estimates, table B01002: median age, total population. Retrieved by Invokely on 2026-10-08.

What was the highest median age in Fairfax city?

37.7 years in 2021, the highest value since 2021 in this series.

More statistics for Fairfax city

All statistics for Fairfax city