Resident Population in Davison County, SD was 19.92200 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Davison County, SD reached a record high of 20.03400 in January of 2016 and a record low of 17.31900 in January of 1970. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Davison County, SD - last updated from the United States Federal Reserve on May of 2024.