Income Inequality in Washington County, MS was 18.18847 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Washington County, MS reached a record high of 22.44508 in January of 2017 and a record low of 16.80815 in January of 2010. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Washington County, MS - last updated from the United States Federal Reserve on May of 2024.