Mason District VA Demographic Data and Boundary Map


Mason District, VA

The Mason District is a County Subdivision of Fairfax County. The subdivision has a Z1 Census Class Code which indicates that the Mason District is a nonfunctioning county subdivision.

Also See: Fairfax County Data | Cities in Fairfax County | County Subdivisions in Fairfax County

Mason District Boundary Map


Mason District Data & Demographics (As of July 1, 2017)


Total Population 111,122
Population in Households 110,491
Population in Familes 85,050
Population in Group Qrtrs 631
Population Density1 5,390
Diversity Index2 83


Total Households 39,891
Average Household Size 2.77
Family Households 25,672
Average Family Size 3


Total Housing Units 41,963 (100%)
Owner Occupied HU 22,477 (53.6%)
Renter Occupied HU 17,413 (41.5%)
Vacant Housing Units 2,072 ( 4.9%)
Median Home Value $466,215
Average Home Value $510,611


Median Household Income $87,987
Average Household Income $118,557
Per Capita Income $42,783
  (Compound Annual Growth Rates)


2010-2014 2014-2019
Population 0.41% 0.5%
Households 0.36% 0.48%
Families 0.21% 0.37%
Median Household Income   2.25%
Per Capita Income   2.39%
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.