Unemployment Rate in Polk County, TN was 3.40% in March of 2024, according to the United States Federal Reserve. Historically, Unemployment Rate in Polk County, TN reached a record high of 13.90 in January of 1991 and a record low of 2.90 in February of 2024. Trading Economics provides the current actual value, an historical data chart and related indicators for Unemployment Rate in Polk County, TN - last updated from the United States Federal Reserve on May of 2024.