Estimated Percent of People of All Ages in Poverty for Columbia County, WA was 11.80% in January of 2022, according to the United States Federal Reserve. Historically, Estimated Percent of People of All Ages in Poverty for Columbia County, WA reached a record high of 17.00 in January of 2013 and a record low of 11.80 in January of 2022. Trading Economics provides the current actual value, an historical data chart and related indicators for Estimated Percent of People of All Ages in Poverty for Columbia County, WA - last updated from the United States Federal Reserve on May of 2024.