Law Enforcement Agencies in Marietta, GA GA › Cobb County Agencies serving the city of Marietta in GA. Agency Types in Marietta Coroners 1 agencies County Jails 1 agencies Municipal Police 1 agencies Sheriff 2 agencies Youth Institutions 1 agencies All Agencies in Marietta, GA Cobb County Jail Cobb County Cobb County Medical Examiner Office Cobb County Cobb County PD Cobb County Cobb County Sheriffs Office Cobb County Marietta Police Department Cobb County Marietta Regional Youth Detention Center Cobb County
