Washington County MO Information


Washington County Subdivisions

Washington County MO Data & Demographics (As of July 1, 2016)


Total Population 25,731
Population in Households 24,640
Population in Familes 20,387
Population in Group Qrtrs 1,091
Population Density1 34
Diversity Index2 13


Total Households 9,621
Average Household Size 2.56
Family Households 6,823
Average Family Size 3


Total Housing Units 11,332 (100%)
Owner Occupied HU 7,368 (65.0%)
Renter Occupied HU 2,253 (19.9%)
Vacant Housing Units 1,711 (15.1%)
Median Home Value $86,762
Average Home Value $129,523


Median Household Income $34,627
Average Household Income $46,574
Per Capita Income $18,171
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.34% 0.25%
Households 0.45% 0.32%
Families 0.32% 0.24%
Median Household Income   1.51%
Per Capita Income   1.76%
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.


Washington County MO - Peer Comparisons by Rank and Percentile

The table below compares Washington County to the other 115 counties and county equivalents in Missouri 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 # 44 63rd
Population Density1 # 56 52nd
Diversity Index2 # 71 43rd
Median Household Income # 95 18th
Per Capita Income # 109 6th

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