Sue Helm represents constituents of the 104th House District, comprised of the following municipalities and boroughs:
Dauphin Borough | East Hanover Twp. | Halifax Borough | Halifax Twp. | Jackson Twp. | Jefferson Twp. | Middle Paxton Twp. | Millersburg Borough | Penbrook Borough | Reed Twp. | Rush Twp. | Susquehanna Twp. | Swatara Twp. 4th & 7th Wards | Upper Paxton Twp. | Wayne Twp.
East Hanover Twp. | North Annville Twp.