Percent of Population Below the Poverty Level (5-year estimate) in Washington County, TN was 15.70% 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, TN reached a record high of 18.30 in January of 2013 and a record low of 15.20 in January of 2020. 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, TN - last updated from the United States Federal Reserve on May of 2024.