Population Estimate, Total, Not Hispanic or Latino, White Alone (5-year estimate) in Washington County, IN was 26960.00000 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 Washington County, IN reached a record high of 27481.00000 in January of 2011 and a record low of 26938.00000 in January of 2018. 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 Washington County, IN - last updated from the United States Federal Reserve on May of 2024.