Income Inequality in Marion County, SC was 22.72643 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Marion County, SC reached a record high of 25.79106 in January of 2019 and a record low of 14.68511 in January of 2010. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Marion County, SC - last updated from the United States Federal Reserve on May of 2024.