Tri-County fire. Montgomery County Jail is located in Hillsboro, Illinois. Calendar. (Montgomery County, IL) â One person is injured after a field fire destroyed a home. "Base, 1969 general highway map (rev. Hatfield Fire Company: 18: Montgomery Township Fire Department: 21: Penn Wynne/Overbrook Hills Fire Company: 22: Belmont Hills Fire Company: 23: Bryn Mawr Fire Company: 24: Gladwyne Fire Company: 25: Merion Fire Company: 26: Narberth Fire Company: 27: Norristown Fire Department: 28