Unemployment Rate in Nassau County, FL was 3.10% in February of 2024, according to the United States Federal Reserve. Historically, Unemployment Rate in Nassau County, FL reached a record high of 10.80 in January of 2010 and a record low of 1.90 in December of 2005. Trading Economics provides the current actual value, an historical data chart and related indicators for Unemployment Rate in Nassau County, FL - last updated from the United States Federal Reserve on May of 2024.