Law Enforcement Agencies in Youngstown, OH OH › Mahoning County Agencies serving the city of Youngstown in OH. Agency Types in Youngstown Adult Institutions 1 agencies Campus Police 1 agencies Coroners 1 agencies County Jails 1 agencies Municipal Police 2 agencies Parole Probation 1 agencies Probation Pretrial 1 agencies Sheriff 1 agencies All Agencies in Youngstown, OH Department of Rehabilitation & Crrctns Mahoning County Liberty Twp Police Department Trumbull County Mahoning County Coroners Office Mahoning County Mahoning County Jail Mahoning County Mahoning County Sheriffs Office Mahoning County Ohio State Penitentiary Trumbull County US Probation & Pretrial Services Office Mahoning County Youngstown Police Department Mahoning County Youngstown State Univ Mahoning County
