Data / Population / Fairfax city

Population in Fairfax city

Population in Fairfax city was 26,772 in 2025, according to the U.S. Census Bureau. That is up 2.8% from 2024. That is the 70th highest of 133 counties in 2025.

2025, persons26,772
Change on 2024+2.8%
Rank70th of 133Counties in Virginia ranked
Series high26,7722025
Series low24,1742020

Population in Fairfax city, 2020 to 2025

CSVChart (SVG)

24K25K26K27K2020202120222023202420252020: 24,174 persons2021: 24,363 persons2022: 24,657 persons2023: 25,070 persons2024: 26,038 persons2025: 26,772 persons
persons. Source: U.S. Census Bureau. Retrieved 2026-10-08, published 2026-03-26.
All 6 values
Periodpersons
202526,772
202426,038
202325,070
202224,657
202124,363
202024,174

Compared with Virginia and United States

Place2025
Fairfax city26,772
Virginia8,880,107
United States341,784,857

Rankings

Definition

Resident population. Spain and the EU: 1 January, with Spanish figures from the official municipal register (Padrón). United States: Census Bureau population estimates for 1 July. Other countries and the World: World Bank mid-year estimates, which count all residents regardless of legal status or citizenship.

For Denmark, Statistics Denmark counts the registered resident population on 1 January. Greenland and the Faroe Islands are excluded. The annual series selects the first-quarter reference date from FOLK1A. The World Bank series exists for every country, so use it (through compare) to rank countries on one basis.

How to cite

U.S. Census Bureau. Annual estimates of the resident population for the United States, states and counties, 1 July (Population Estimates Program). https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/. Retrieved 2026-10-08.

Use this data in your AI agent

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What is the latest population in Fairfax city? Cite the source.
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Questions

What is the population in Fairfax city?

Population in Fairfax city was 26,772 in 2025, according to the U.S. Census Bureau. That is up 2.8% from 2024. That is the 70th highest of 133 counties in 2025.

Where does this figure come from?

U.S. Census Bureau. Annual estimates of the resident population for the United States, states and counties, 1 July (Population Estimates Program). Retrieved by Invokely on 2026-10-08.

What was the highest population in Fairfax city?

26,772 in 2025, the highest value since 2020 in this series.

More statistics for Fairfax city

All statistics for Fairfax city