Fairfax County VA Information


Fairfax County Subdivisions

Fairfax County VA Data & Demographics (As of July 1, 2014)


Total Population 1,112,266
Population in Households 1,102,468
Population in Familes 910,303
Population in Group Qrtrs 9,798
Population Density1 2,845
Diversity Index2 71


Total Households 402,553
Average Household Size 2.74
Family Households 282,788
Average Family Size 3


Total Housing Units 419,821 (100%)
Owner Occupied HU 271,228 (64.6%)
Renter Occupied HU 131,325 (31.3%)
Vacant Housing Units 17,268 ( 4.1%)
Median Home Value $519,308
Average Home Value $584,549


Median Household Income $107,717
Average Household Income $136,757
Per Capita Income $49,603
  (Compound Annual Growth Rates)


2010-2014 2014-2019
Population 0.66% 0.98%
Households 0.65% 0.98%
Families 0.55% 0.92%
Median Household Income   1.9%
Per Capita Income   2.94%
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, 2014 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 # 5 97th

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