Columbia County Map
The County of Columbia is located in the State of Washington. Find directions to Columbia County, browse local businesses, landmarks, get current traffic estimates, road conditions, and more. According to the 2020 US Census the Columbia County population is estimated at 4,048 people. The Columbia County time zone is Pacific Daylight Time which is 8 hours behind Coordinated Universal Time (UTC).
Nearby counties include Umatilla County, Wallowa County, Franklin County, Garfield County, Walla Walla County, Whitman County.
Top cities include Dayton, Starbuck, Huntsville, Turner, Long