Population Estimate, Total, Hispanic or Latino (5-year estimate) in Pennington County, SD was 6239.00000 Persons in January of 2022, according to the United States Federal Reserve. Historically, Population Estimate, Total, Hispanic or Latino (5-year estimate) in Pennington County, SD reached a record high of 6239.00000 in January of 2022 and a record low of 3863.00000 in January of 2010. Trading Economics provides the current actual value, an historical data chart and related indicators for Population Estimate, Total, Hispanic or Latino (5-year estimate) in Pennington County, SD - last updated from the United States Federal Reserve on May of 2024.