Unemployment Rate in Hillsborough County, FL was 4.50% in December of 2025, according to the United States Federal Reserve. Historically, Unemployment Rate in Hillsborough County, FL reached a record high of 13.10 in May of 2020 and a record low of 2.40 in December of 1998. Trading Economics provides the current actual value, an historical data chart and related indicators for Unemployment Rate in Hillsborough County, FL - last updated from the United States Federal Reserve on March of 2026.