Law Enforcement Agencies in Fort Johnson, UT UT › Iron County Agencies serving the city of Fort Johnson in UT. Agency Types in Fort Johnson County Jails 1 agencies Parole Probation 1 agencies Sheriff 1 agencies State Police 1 agencies Youth Institutions 1 agencies All Agencies in Fort Johnson, UT Div of Adult Probation & Parole Iron County Iron County Jail Iron County Iron County Sheriffs Department Iron County Southwest Utah Youth Center Iron County Utah Highway Patrol Iron County
