Fairfax County VA Information


Fairfax County Subdivisions

Fairfax County VA Data & Demographics (As of July 1, 2015)


Total Population 1,115,882
Population in Households 1,105,996
Population in Familes 913,829
Population in Group Qrtrs 9,886
Population Density1 2,854
Diversity Index2 71


Total Households 403,745
Average Household Size 2.74
Family Households 282,968
Average Family Size 3


Total Housing Units 421,099 (100%)
Owner Occupied HU 270,147 (64.2%)
Renter Occupied HU 133,598 (31.7%)
Vacant Housing Units 17,354 ( 4.1%)
Median Home Value $578,374
Average Home Value $628,459


Median Household Income $111,614
Average Household Income $148,413
Per Capita Income $53,807
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.59% 0.92%
Households 0.58% 0.93%
Families 0.46% 0.85%
Median Household Income   1.27%
Per Capita Income   2.18%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.


Fairfax County VA - Peer Comparisons by Rank and Percentile

The table below compares Fairfax County to the other 134 counties / independent cities and county equivalents in Virginia by rank and percentile using July 1, 2015 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 1 100th
Population Density1 # 14 90th
Diversity Index2 # 5 97th
Median Household Income # 3 99th
Per Capita Income # 4 98th

Additional comparisons and rankings can be made with a VERY EASY TO USE Virginia Census Data Comparison Tool.