Resident Population in Bon Homme County, SD was 7.06500 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Bon Homme County, SD reached a record high of 8.70000 in January of 1971 and a record low of 6.91100 in January of 2019. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Bon Homme County, SD - last updated from the United States Federal Reserve on May of 2024.