Law Enforcement Agencies in Mason City, IA IA › Cerro Gordo County Agencies serving the city of Mason City in IA. Agency Types in Mason City Adult Institutions 1 agencies Campus Police 1 agencies Coroners 2 agencies County Jails 1 agencies Municipal Police 1 agencies Sheriff 1 agencies State Police 1 agencies All Agencies in Mason City, IA Beje Clark Residential Facility Cerro Gordo County Cerro Gordo County Jail Cerro Gordo County Cerro Gordo County Medical Examiner Office Cerro Gordo County Cerro Gordo County Medical Examiner Office Cerro Gordo County Cerro Gordo County Sheriffs Office Cerro Gordo County Iowa State Patrol Cerro Gordo County Mason City Police Department Cerro Gordo County North Iowa Area Community College Cerro Gordo County
