Law Enforcement Agencies in Hallettsville, TX TX › Lavaca County Agencies serving the city of Hallettsville in TX. Agency Types in Hallettsville Coroners 1 agencies County Jails 1 agencies Municipal Police 1 agencies Sheriff 1 agencies All Agencies in Hallettsville, TX Hallettsville Police Department Lavaca County Lavaca County Jail Lavaca County Lavaca County Sheriffs Office Lavaca County Office Of The Lavaca County Justice of the Peace Lavaca County
