Income Inequality in Washington County, RI was 13.01262 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Washington County, RI reached a record high of 14.39150 in January of 2017 and a record low of 12.11392 in January of 2013. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Washington County, RI - last updated from the United States Federal Reserve on May of 2024.