Whitman County WA Information


Whitman County Subdivisions

Whitman County WA Data & Demographics (As of July 1, 2016)


Total Population 48,140
Population in Households 41,655
Population in Familes 24,729
Population in Group Qrtrs 6,485
Population Density1 22
Diversity Index2 39


Total Households 18,905
Average Household Size 2.2
Family Households 8,735
Average Family Size 3


Total Housing Units 20,771 (100%)
Owner Occupied HU 8,322 (40.1%)
Renter Occupied HU 10,583 (51.0%)
Vacant Housing Units 1,866 ( 9.0%)
Median Home Value $196,637
Average Home Value $216,687


Median Household Income $35,729
Average Household Income $56,348
Per Capita Income $23,236
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 1.17% 1.09%
Households 1.27% 1.35%
Families 1.16% 1.28%
Median Household Income   1.73%
Per Capita Income   1.95%
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.


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, 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 # 22 46th
Population Density1 # 25 38th
Diversity Index2 # 24 41st
Median Household Income # 39 3rd
Per Capita Income # 30 26th

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