Washington County OR Information


Washington County Subdivisions

Washington County OR Data & Demographics (As of July 1, 2018)


Total Population 598,795
Population in Households 591,792
Population in Familes 471,822
Population in Group Qrtrs 7,003
Population Density2 827
Diversity Index3 61


Median Household Income $76,377
Average Household Income $99,429
Per Capita Income $37,484


Total Housing Units 234,767 (100%)
Owner Occupied HU 134,566 (57.3%)
Renter Occupied HU 89,453 (38.1%)
Vacant Housing Units 10,748 ( 4.6%)
Median Home Value $348,543
Average Home Value $394,726


Total Households 224,019
Average Household Size 2.64
Family Households 148,134
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 1.5% 1.54%
Households 1.33% 1.48%
Families 1.19% 1.39%
Median Household Income   1.66%
Per Capita Income   2.25%


Washington County OR - Peer Comparisons by Rank and Percentile

The table below compares Washington County to the other 36 counties and county equivalents in Oregon by rank and percentile using July 1, 2018 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 # 2 97th
Population Density # 2 97th
Diversity Index # 7 83rd
Median Household Income # 2 97th
Per Capita Income # 2 97th

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