Herbst is an unincorporated census-designated place in Franklin Township, Grant County, Indiana, in the United States. As of the 2010 census, the population was 112. History A post office was established at Herbst in 1880, and remained in operation until it was discontinued in 1962. August H. Herbst served as the first postmaster. Geography Herbst is located in western Grant County at . It is southwest of Marion, the county seat, and east of Swayzee. According to the U.S. Census Bureau, the Herbst CDP has an area of , all of it land. Demographics References Census-designated places in Grant County, Indiana Census-designated places in Indiana