Resident Population in Butte County, SD was 10.86300 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Butte County, SD reached a record high of 10.86300 in January of 2023 and a record low of 7.50000 in January of 1971. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Butte County, SD - last updated from the United States Federal Reserve on May of 2024.