Civilian Labor Force in Humboldt County, IA was 4964.00000 Persons in December of 2025, according to the United States Federal Reserve. Historically, Civilian Labor Force in Humboldt County, IA reached a record high of 6106.00000 in August of 1997 and a record low of 4497.00000 in July of 2020. Trading Economics provides the current actual value, an historical data chart and related indicators for Civilian Labor Force in Humboldt County, IA - last updated from the United States Federal Reserve on April of 2026.