Income Inequality in Jefferson County, WA was 17.10835 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Jefferson County, WA reached a record high of 17.10835 in January of 2022 and a record low of 12.55771 in January of 2015. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Jefferson County, WA - last updated from the United States Federal Reserve on May of 2024.