Income Inequality in Washington County, OR was 11.97610 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Washington County, OR reached a record high of 12.13291 in January of 2015 and a record low of 10.67251 in January of 2010. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Washington County, OR - last updated from the United States Federal Reserve on May of 2024.