Law Enforcement Agencies in Dalhart, TX TX › Dallam County Agencies serving the city of Dalhart in TX. Agency Types in Dalhart Adult Institutions 1 agencies Coroners 2 agencies County Jails 2 agencies Municipal Police 1 agencies Sheriff 1 agencies All Agencies in Dalhart, TX Dalhart Police Department Dallam County Dalhart Unit Dallam County Dallam County Justice Court Dallam County Dallam County Sheriffs Office Dallam County Dallam-Hartley County Jail Dallam County Dallam/Hartley County Jail Dallam County Hartley County Justice of The Peace Dallam County
