Fairfax County, Virginia Demographics 2026

Population Overview

Fairfax County is located in Virginia with a total population of 1,144,474. It is the 1st most populous county out of 133 in Virginia.

Age Demographics

The median age in Fairfax County is 38.9 years. This is about average than the state median of 38.8 years.

Economy, Income & Housing

The median household income in Fairfax County is $150,113. This is 65% higher than the state median of $90,974. Compared to the national median of $78,538, household income here is 91% higher. The poverty rate stands at 5.9%. This is 40% lower than the state poverty rate of 9.9%. The unemployment rate is 4.0%. This is 7% lower than the state rate of 4.3%. The median home value is $699,700. Housing costs are 94% higher than the state median of $360,700. The home-value-to-income ratio is 4.7x. 68.3% of occupied housing units are owner-occupied. This homeownership rate is 2% higher than the state average of 67.2%.

Race & Ethnicity

The largest racial or ethnic group in Fairfax County is White (non-Hispanic), making up 47.5% of the population. Asian residents account for 19.9%. The Hispanic or Latino population is significantly higher than the state average (17.4% vs 10.7%). The Asian population is significantly higher than the state average (19.9% vs 6.8%).

Education

64.3% of residents aged 25 and older hold a bachelor's degree or higher. This places Fairfax County in the top 10% of all cities in the state for educational attainment. This is 55% higher than the state rate of 41.5%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 93.2%. Notably, 32.4% of adults hold a graduate or professional degree, indicating a highly educated workforce.