Town Hall Address 101 Main St. Hillsboro, MO 63050 United States- Jefferson County Website https://hillsboromo.org Fire District 636-797-3619 120 Fifth St. Hillsboro, MO 63050 United States Town Clerk 636-797-3334 Ext. 5 101 Main St. Hillsboro, MO 63050 United States Town Hall Hours Monday - Friday: 8:00 AM - 5:00 PM County Jefferson