Percent of Population Below the Poverty Level (5-year estimate) in Washington County, MS was 29.30% in January of 2022, according to the United States Federal Reserve. Historically, Percent of Population Below the Poverty Level (5-year estimate) in Washington County, MS reached a record high of 37.50 in January of 2012 and a record low of 29.30 in January of 2022. Trading Economics provides the current actual value, an historical data chart and related indicators for Percent of Population Below the Poverty Level (5-year estimate) in Washington County, MS - last updated from the United States Federal Reserve on May of 2024.