Income Inequality in Jefferson County, ID was 9.35749 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Jefferson County, ID reached a record high of 9.35749 in January of 2022 and a record low of 7.73721 in January of 2017. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Jefferson County, ID - last updated from the United States Federal Reserve on May of 2024.