Population Estimate, Total, Not Hispanic or Latino, White Alone (5-year estimate) in Columbia County, WA was 3252.00000 Persons in January of 2022, according to the United States Federal Reserve. Historically, Population Estimate, Total, Not Hispanic or Latino, White Alone (5-year estimate) in Columbia County, WA reached a record high of 3613.00000 in January of 2011 and a record low of 3252.00000 in January of 2022. Trading Economics provides the current actual value, an historical data chart and related indicators for Population Estimate, Total, Not Hispanic or Latino, White Alone (5-year estimate) in Columbia County, WA - last updated from the United States Federal Reserve on May of 2024.