Unemployment Rate in Plaquemines Parish, LA was 3.60% in April of 2026, according to the United States Federal Reserve. Historically, Unemployment Rate in Plaquemines Parish, LA reached a record high of 12.80 in January of 1993 and a record low of 2.40 in April of 2023. Trading Economics provides the current actual value, an historical data chart and related indicators for Unemployment Rate in Plaquemines Parish, LA - last updated from the United States Federal Reserve on June of 2026.