Income Inequality in Barnwell County, SC was 21.57143 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Barnwell County, SC reached a record high of 25.93771 in January of 2021 and a record low of 18.13782 in January of 2016. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Barnwell County, SC - last updated from the United States Federal Reserve on May of 2024.