Pelzer, IndianaPelzer is an unincorporated community in [Boon Township, Warrick County, Indiana|Warrick County, Indiana|Boon Township], Warrick County, in the U.S. state of Indiana.HistoryA post office was established at Pelzer in 1898, and remained in operation until 1900. The community bears the name of a family of settlers. Frederick William Pelzer, a local Warrick County farmer, immigrated from Germany in 1860.GeographyPelzer is located at.