Heimatgeschichte · Fall River · 06.10.2026 Fall River County, South Dakota Fall River County is a county in the U.S. state of South Dakota. As of the 2020 census, the population was 6,973. Its county seat is Hot Springs. The county was founded in 1883. It is named for the Fall River which runs through it. von Fremdinhalte · Regionauts Quelle: Text: Wikipedia – „Fall River County, South Dakota“, Autorinnen und Autoren (Versionsgeschichte), CC BY-SA 4.0 · Foto: Andy Rusch from Santa Barbara, USA, CC BY 2.0 – Wikimedia Commons