Washington County ID Information


Washington County Subdivisions

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


Total Population 10,422
Population in Households 10,303
Population in Familes 8,502
Population in Group Qrtrs 119
Population Density1 7
Diversity Index2 49


Median Household Income $38,095
Average Household Income $56,677
Per Capita Income $22,637


Total Housing Units 4,630 (100%)
Owner Occupied HU 2,858 (61.7%)
Renter Occupied HU 1,267 (27.4%)
Vacant Housing Units 505 (10.9%)
Median Home Value $167,685
Average Home Value $201,758


Total Households 4,125
Average Household Size 2.5
Family Households 2,821
Average Family Size 3
  1. Population Density = Total Population per square mile.
  2. 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 0.26% 0.48%
Households 0.27% 0.49%
Families 0.08% 0.37%
Median Household Income   0.47%
Per Capita Income   1.02%


Washington County ID - Peer Comparisons by Rank and Percentile

The table below compares Washington County to the other 44 counties and county equivalents in Idaho 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 # 29 36th
Population Density # 26 43rd
Diversity Index # 13 73rd
Median Household Income # 39 14th
Per Capita Income # 21 55th

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