Fairfax County, VA — Demographics & Population
Population, age distribution, race & ethnicity, and education data
Population Overview
Source: Census Bureau ACS (2023)Total Population
1,144,474
Male
571,515
49.9%
Female
572,959
50.1%
Median Age
38.9 yrs
Avg Household Size
2.8
Foreign Born
30.8%
Race & Ethnicity
Source: Census Bureau ACS (2023)Age Distribution
Source: Census Bureau ACS (2023)Education
Source: Census Bureau ACS (2023)Bachelor's or Higher44.1%
High School or Higher52.3%
Other Demographics
Source: Census Bureau ACS (2023)Veterans
5.9%
Disability
0.0%
Non-English Home
4.6%
Married
46.1%
Fairfax County, VA has a population of 1,144,474 according to 2023 Census Bureau estimates. The median age is 38.9 years. The largest racial or ethnic group is White at 51.4% of the population. 44.1% of residents hold a bachelor's degree or higher. 30.8% of residents are foreign-born.