Washington County OR Information


Washington County Subdivisions

Washington County OR Data & Demographics (As of July 1, 2017)


Total Population 587,291
Daytime Population: Workers 292,882
Daytime Population: Residents 288,632
Total Daytime Population (TDP) 581,514
Ratio TDP/Total Population1 0.99
Population in Households 580,239
Population in Familes 463,611
Population in Group Qrtrs 7,052
Population Density2 811
Diversity Index3 61


Median Household Income $70,977
Average Household Income $94,079
Per Capita Income $35,539


Total Housing Units 230,763 (100%)
Owner Occupied HU 129,501 (56.1%)
Renter Occupied HU 90,527 (39.2%)
Vacant Housing Units 10,735 ( 4.7%)
Median Home Value $326,575
Average Home Value $366,476


Total Households 220,028
Average Household Size 2.64
Family Households 145,376
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 1.43% 1.41%
Households 1.26% 1.35%
Families 1.1% 1.25%
Median Household Income   2.52%
Per Capita Income   2.54%


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, 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 # 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.