Demographics

CONTACT INFORMATION: Our office is open 8AM-4:30 PM M-F
703-324-2391 TTY 711
12000 Government Center Parkway
Fairfax, VA 22035
Demographics
Suite 561

American Community Survey

ACS ONE-YEAR & FIVE-YEAR ESTIMATES

The American Community Survey (ACS) was created to replace the decennial census "long-form" questionnaire. It has been generating annual estimates since its inception in 2005. Similar to the "long form", the ACS gathers comprehensive socio-economic data. Unlike the decennial census, which aimed to provide a snapshot of the population at a single point in time, the ACS primarily describes demographic and socio-economic characteristics over a span of time. Currently, the ACS offers two main sets of data: one-year estimates and five-year estimates. Data users should not mix these two data sets. Data users should also carefully examine the margin of error (MOE) to determine the reliability of data when drawing conclusions on statistical differences.    

INTERACTIVE ACS DATA VISUALIZATION

The Census Reporter, Geography Profile, and Narrative Profile icons connect to the user-friendly interfaces for Fairfax County using the most recent Decennial Census & ACS data, provided by the U.S. Census Bureau.

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Fairfax Virtual Assistant