Unemployment Rate in Butler County, PA was 3.80% in March of 2026, according to the United States Federal Reserve. Historically, Unemployment Rate in Butler County, PA reached a record high of 14.80 in April of 2020 and a record low of 2.70 in November of 2023. Trading Economics provides the current actual value, an historical data chart and related indicators for Unemployment Rate in Butler County, PA - last updated from the United States Federal Reserve on June of 2026.