Loudoun County VA Information


Loudoun County Subdivisions

Loudoun County VA Data & Demographics (As of July 1, 2017)


Total Population 392,368
Daytime Population: Workers 158,344
Daytime Population: Residents 194,402
Total Daytime Population (TDP) 352,746
Ratio TDP/Total Population1 0.90
Population in Households 391,021
Population in Familes 340,944
Population in Group Qrtrs 1,347
Population Density2 761
Diversity Index3 67


Median Household Income $124,885
Average Household Income $151,487
Per Capita Income $50,366


Total Housing Units 136,578 (100%)
Owner Occupied HU 98,213 (71.9%)
Renter Occupied HU 31,961 (23.4%)
Vacant Housing Units 6,404 ( 4.7%)
Median Home Value $501,962
Average Home Value $549,817


Total Households 130,174
Average Household Size 3.0
Family Households 99,377
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood 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.


2010-2017 2017-2022
Population 3.2% 3.3%
Households 3.07% 3.22%
Families 2.95% 3.15%
Median Household Income   2.0%
Per Capita Income   2.45%


Loudoun County VA - Peer Comparisons by Rank and Percentile

The table below compares Loudoun County to the other 133 counties / independent cities and county equivalents in Virginia by rank and percentile using July 1, 2017 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 # 4 98th
Population Density # 41 70th
Diversity Index # 7 95th
Median Household Income # 1 100th
Per Capita Income # 5 97th

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