Skip to main content
Population Review

What is the population of Fairfax County, VA?

Fairfax County in Virginia has a population of 1,144,474, per Census ACS 5-Year estimates. The median household income is $150,113 and the median age is 38.9.

Context

Counties are the primary administrative subdivisions of states and a stable unit for tracking population. Fairfax County's population reflects everyone within county lines, including residents of incorporated cities and unincorporated areas.

Explore Further

Fairfax County full profileVirginia state profileAll counties in Virginia

Related Questions

What is the median household income in Fairfax County, VA?What is the median home value in Fairfax County, VA?What are the demographics of Fairfax County, VA?What is the cost of living in Fairfax County, VA?Is Fairfax County, VA growing?

Frequently Asked Questions

Fairfax County in Virginia has a population of 1,144,474, per Census ACS 5-Year estimates. The median household income is $150,113 and the median age is 38.9.