Unemployment Rate in Polk County, WI was 4.80% in December of 2025, according to the United States Federal Reserve. Historically, Unemployment Rate in Polk County, WI reached a record high of 17.40 in April of 2020 and a record low of 2.30 in October of 1999. Trading Economics provides the current actual value, an historical data chart and related indicators for Unemployment Rate in Polk County, WI - last updated from the United States Federal Reserve on April of 2026.