Law Enforcement Agencies in Port Huron, MI MI › St. Clair County Agencies serving the city of Port Huron in MI. Agency Types in Port Huron Campus Police 1 agencies Coroners 1 agencies County Jails 1 agencies Municipal Police 1 agencies Port Of Entry 1 agencies Sheriff 1 agencies All Agencies in Port Huron, MI Port Huron Police Department St. Clair County Port of Entry St. Clair County Saint Clair County Cmnty College St. Clair County St Clair County Jail St. Clair County St Clair County Medical Examiner Office St. Clair County St Clair County Sheriffs Department St. Clair County
