In 2018, Columbia County, WA had a population of 4k people with a median age of 49.4 and a median household income of $51,111. Between 2017 and 2018 the population of Columbia County, WA grew from 3,999 to 4,001, a 0.05% increase and its median household income grew from $46,250 to $51,111, a 10.5% increase.
The 5 largest ethnic groups in Columbia County, WA are White (Non-Hispanic) (86%), White (Hispanic) (5.27%), Asian (Non-Hispanic) (2.45%), Two+ (Non-Hispanic) (2.17%), and Two+ (Hispanic) (1.57%). NaNk% of the people in Columbia County, WA speak a non-English language, and 97.3% are U.S. citizens.
The median property value in Columbia County, WA is $170,800, and the homeownership rate is 68.8%. Most people in Columbia County, WA commute by Drove Alone, and the average commute time is 19.2 minutes. The average car ownership in Columbia County, WA is 2 cars per household.