Income Inequality in Polk County, AR was 14.82973 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Polk County, AR reached a record high of 14.94851 in January of 2021 and a record low of 10.44085 in January of 2010. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Polk County, AR - last updated from the United States Federal Reserve on May of 2024.