Helmer, IndianaHelmer is an unincorporated community in Salem Township, Steuben County, in the U.S. state of Indiana.HistoryHelmer was a town that started and grew because of the railroad it is located on. Helmer no longer has a post office nor a fire department as it merged with the Salem Center Fire Department.DemographicsThe United States Census Bureau delineated Helmer as a census designated place in the 2022 American Community Survey.