Unemployment Rate in Polk County, AR was 4.00% in April of 2026, according to the United States Federal Reserve. Historically, Unemployment Rate in Polk County, AR reached a record high of 10.70 in January of 2002 and a record low of 2.80 in October of 2022. Trading Economics provides the current actual value, an historical data chart and related indicators for Unemployment Rate in Polk County, AR - last updated from the United States Federal Reserve on July of 2026.