Freeburg · St. Clair County, Illinois
Population 4,336 (est. 2026: ~5,200)
Source: Census ACS 2023 · ACS 2023 + 5.9% annual growth projection
Population 4,336 (est. 2026: ~5,200)
Source: Census ACS 2023 · ACS 2023 + 5.9% annual growth projection
Contact this office — local service-area, municipal code pointer, and corrections form.