Resident Population in Faulk County, SD was 2.15100 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Faulk County, SD reached a record high of 3.90000 in January of 1971 and a record low of 2.12600 in January of 2021. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Faulk County, SD - last updated from the United States Federal Reserve on May of 2024.