Law Enforcement Agencies in Marshalltown, IA IA › Marshall County Agencies serving the city of Marshalltown in IA. Agency Types in Marshalltown Adult Institutions 1 agencies Campus Police 1 agencies Coroners 2 agencies County Jails 1 agencies Municipal Police 1 agencies Sheriff 1 agencies All Agencies in Marshalltown, IA Marshall County Jail Marshall County Marshall County Sheriffs Office Marshall County Marshalltown Community College Marshall County Marshalltown Police Department Marshall County Marshalltown Residential Facility Marshall County Tama County Medical Examiner Office Marshall County Tama County Medical Examiner Office Marshall County
