Demographics & Data

Fairfax County is a diverse and thriving urban county. As the most populous jurisdiction in both Virginia and the Washington, D.C. metropolitan area, the county's population exceeds that of eight states and the District of Columbia. The median household income of Fairfax County is one of the highest in the nation and over half of its adult residents have four-year college degrees or more educational attainment.

Economic and demographic information, organized into categories including: population and housing, employment, income, education and mobility.

A simple search interface to access the Census Bureau’s five-year American Community Survey data for states, counties and communities.

An interactive map tool to explore population, households, housing units, gross floor area data, etc., by block groups, communities and zip codes.


Recent studies and reports detailing trends about Fairfax County.

View historical studies and reports.

Demographic Reports 2014 Demographic Reports 2014
The most recent data report about the county highlights trends, population, forecasts, housing and industrial/commercial information.
Read Report PDF


Economic Need in Fairfax County Economic Need in Fairfax County (Sept. 2014)
Fairfax County has experienced expanding economic need. This study explores those trends and some of the factors contributing to the trends.
Read Report PDF


Youth Survey School Year 2013-2014 Youth Survey Results
Information and trends about positive and harmful youth behaviors.
View the Reports, Presentations, and More


Rental Housing Complex Analysis Rental Housing Complex Analysis (May 2014)
Data on the cost, rental unit quantity and vacancy rates of market rate rental housing complexes containing five or more units.
Read Report PDF 



Recent infographics / data visualizations detailing trends about Fairfax County.

Click on an image to see the data visualization / infographic. PDF


Infographic: Poverty in Fairfax County


Infographic: Fifty Plus in Fairfax County


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