Fairfax County VA Information


Fairfax County Subdivisions

Fairfax County VA Data & Demographics (As of July 1, 2016)


Total Population 1,124,231
Population in Households 1,114,097
Population in Familes 920,222
Population in Group Qrtrs 10,134
Population Density1 2,876
Diversity Index2 72


Total Households 405,962
Average Household Size 2.74
Family Households 284,379
Average Family Size 3


Total Housing Units 422,798 (100%)
Owner Occupied HU 274,803 (65.0%)
Renter Occupied HU 131,159 (31.0%)
Vacant Housing Units 16,836 ( 4.0%)
Median Home Value $521,597
Average Home Value $574,538


Median Household Income $110,857
Average Household Income $147,644
Per Capita Income $53,566
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.62% 0.65%
Households 0.58% 0.64%
Families 0.46% 0.56%
Median Household Income   1.53%
Per Capita Income   1.5%
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, 2016 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 # 4 98th
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.