Columbia County, WA has a population of 3,971 people with a median age of 49.9 and a median household income of $42,083. Between 2015 and 2016 the population of Columbia County, WA declined from 3,989 to 3,971, a 0.45% decrease and its median household income grew from $38,581 to $42,083, a 9.1% increase.
The population of Columbia County, WA is 87.9% White, 6.8% Hispanic, and 2.17% Two+. 7.47% of the people in Columbia County, WA speak a non-English language, and 97.3% are U.S. citizens.
The largest universities in Columbia County, WA are Washington State University, with 7,208 graduates, N/A, with N/A graduates, and N/A, with N/A graduates.
The median property value in Columbia County, WA is $162,200, and the homeownership rate is 71.8%. Most people in Columbia County, WA commute by Drove Alone, and the average commute time is 20.5 minutes. The average car ownership in Columbia County, WA is 2 cars per household.
Columbia County, WA is the 38th most populated county in Washington and borders Umatilla County, OR; Wallowa County, OR; Franklin County, WA; Garfield County, WA; Walla Walla County, WA; and Whitman County, WA& 1 more.