Income Inequality in Polk County, NC was 14.56757 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Polk County, NC reached a record high of 14.56757 in January of 2022 and a record low of 9.70857 in January of 2010. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Polk County, NC - last updated from the United States Federal Reserve on May of 2024.