In 2021, Columbia County, WA had a population of 3.97k people with a median age of 50.4 and a median household income of $64,688. Between 2020 and 2021 the population of Columbia County, WA declined from 4,024 to 3,969, a −1.37% decrease and its median household income grew from $61,779 to $64,688, a 4.71% increase.
The 5 largest ethnic groups in Columbia County, WA are White (Non-Hispanic) (82.8%), Two+ (Non-Hispanic) (7.23%), Other (Hispanic) (3.68%), Two+ (Hispanic) (2.37%), and White (Hispanic) (2.04%).
None of the households in Columbia County, WA reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
97.4% of the residents in Columbia County, WA are U.S. citizens.
In 2021, the median property value in Columbia County, WA was $207,100, and the homeownership rate was 71.8%.
Most people in Columbia County, WA drove alone to work, and the average commute time was 19.5 minutes. The average car ownership in Columbia County, WA was 2 cars per household.
Columbia County, WA borders Umatilla County, OR, Wallowa County, OR, Franklin County, WA, Garfield County, WA, Walla Walla County, WA, and Whitman County, WA.