Unemployment Rate in St. Charles Parish, LA was 3.50% in December of 2025, according to the United States Federal Reserve. Historically, Unemployment Rate in St. Charles Parish, LA reached a record high of 13.80 in April of 2020 and a record low of 2.60 in April of 2023. Trading Economics provides the current actual value, an historical data chart and related indicators for Unemployment Rate in St. Charles Parish, LA - last updated from the United States Federal Reserve on April of 2026.