Percent of Population Below the Poverty Level (5-year estimate) in Polk County, WI was 8.30% in January of 2022, according to the United States Federal Reserve. Historically, Percent of Population Below the Poverty Level (5-year estimate) in Polk County, WI reached a record high of 11.30 in January of 2014 and a record low of 8.30 in January of 2022. Trading Economics provides the current actual value, an historical data chart and related indicators for Percent of Population Below the Poverty Level (5-year estimate) in Polk County, WI - last updated from the United States Federal Reserve on May of 2024.