Population Estimate, Total, Not Hispanic or Latino, White Alone (5-year estimate) in Bennett County, SD was 1234.00000 Persons in January of 2022, according to the United States Federal Reserve. Historically, Population Estimate, Total, Not Hispanic or Latino, White Alone (5-year estimate) in Bennett County, SD reached a record high of 1234.00000 in January of 2022 and a record low of 890.00000 in January of 2013. Trading Economics provides the current actual value, an historical data chart and related indicators for Population Estimate, Total, Not Hispanic or Latino, White Alone (5-year estimate) in Bennett County, SD - last updated from the United States Federal Reserve on May of 2024.