Columbia County WA Information


Columbia County Subdivisions

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


Total Population 4,155
Population in Households 4,080
Population in Familes 3,242
Population in Group Qrtrs 75
Population Density1 5
Diversity Index2 26


Total Households 1,778
Average Household Size 2.29
Family Households 1,162
Average Family Size 3


Total Housing Units 2,207 (100%)
Owner Occupied HU 1,277 (57.9%)
Renter Occupied HU 501 (22.7%)
Vacant Housing Units 429 (19.4%)
Median Home Value $148,680
Average Home Value $233,673


Median Household Income $43,996
Average Household Income $62,412
Per Capita Income $27,326
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.3% 0.1%
Households 0.14% -0.01%
Families 0.08% -0.05%
Median Household Income   0.19%
Per Capita Income   1.65%
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.


Columbia County WA - Peer Comparisons by Rank and Percentile

The table below compares Columbia 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 # 37 8th
Population Density1 # 36 10th
Diversity Index2 # 33 18th
Median Household Income # 31 23rd
Per Capita Income # 15 64th

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