Law Enforcement Agencies in Midway North, TX TX › Hidalgo County Agencies serving the city of Midway North in TX. Agency Types in Midway North Coroners 2 agencies Federal 1 agencies Municipal Police 1 agencies All Agencies in Midway North, TX Office Of The Hidalgo County Justice of the Peace Hidalgo County Office Of The Hidalgo County Justice of the Peace Hidalgo County US Border Patrol Hidalgo County Weslaco Police Department Hidalgo County