Income Inequality in Sierra County, CA was 15.69580 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Sierra County, CA reached a record high of 21.48650 in January of 2013 and a record low of 12.17770 in January of 2018. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Sierra County, CA - last updated from the United States Federal Reserve on May of 2024.