Civilian Labor Force in St. Clair County, MO was 4209.00000 Persons in December of 2025, according to the United States Federal Reserve. Historically, Civilian Labor Force in St. Clair County, MO reached a record high of 4758.00000 in June of 2003 and a record low of 3405.00000 in March of 1991. Trading Economics provides the current actual value, an historical data chart and related indicators for Civilian Labor Force in St. Clair County, MO - last updated from the United States Federal Reserve on April of 2026.