Income Inequality in Custer County, ID was 10.31112 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Custer County, ID reached a record high of 14.04000 in January of 2011 and a record low of 9.86006 in January of 2021. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Custer County, ID - last updated from the United States Federal Reserve on May of 2024.