Civilian Labor Force in Warren County, IL was 7726.00000 Persons in December of 2025, according to the United States Federal Reserve. Historically, Civilian Labor Force in Warren County, IL reached a record high of 10396.00000 in June of 1999 and a record low of 7227.00000 in December of 2021. Trading Economics provides the current actual value, an historical data chart and related indicators for Civilian Labor Force in Warren County, IL - last updated from the United States Federal Reserve on April of 2026.