Resident Population in Campbell County, SD was 1.34000 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Campbell County, SD reached a record high of 2.86600 in January of 1970 and a record low of 1.34000 in January of 2023. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Campbell County, SD - last updated from the United States Federal Reserve on May of 2024.