Whitman County WA Information


Whitman County Subdivisions

Whitman County WA Data & Demographics (As of July 1, 2018)


Total Population 49,695
Population in Households 43,357
Population in Familes 26,014
Population in Group Qrtrs 6,338
Population Density1 23
Diversity Index2 41


Median Household Income $38,180
Average Household Income $60,125
Per Capita Income $24,631


Total Housing Units 21,222 (100%)
Owner Occupied HU 8,049 (37.9%)
Renter Occupied HU 11,412 (53.8%)
Vacant Housing Units 1,761 ( 8.3%)
Median Home Value $200,224
Average Home Value $222,805


Total Households 19,461
Average Household Size 2.23
Family Households 8,985
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 1.27% 1.27%
Households 1.32% 1.43%
Families 1.22% 1.37%
Median Household Income   1.69%
Per Capita Income   2.03%


Whitman County WA - Peer Comparisons by Rank and Percentile

The table below compares Whitman County to the other 39 counties and county equivalents in Washington 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 # 22 46th
Population Density # 25 38th
Diversity Index # 22 46th
Median Household Income # 39 3rd
Per Capita Income # 32 21st

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