Income Inequality in Polk County, MN was 12.49315 Ratio in January of 2022, according to the United States Federal Reserve. Historically, Income Inequality in Polk County, MN reached a record high of 13.85625 in January of 2021 and a record low of 11.31028 in January of 2011. Trading Economics provides the current actual value, an historical data chart and related indicators for Income Inequality in Polk County, MN - last updated from the United States Federal Reserve on May of 2024.