Net County-to-County Migration Flow (5-year estimate) for Brule County, SD was -5.00000 Persons in January of 2020, according to the United States Federal Reserve. Historically, Net County-to-County Migration Flow (5-year estimate) for Brule County, SD reached a record high of 53.00000 in January of 2018 and a record low of -196.00000 in January of 2014. Trading Economics provides the current actual value, an historical data chart and related indicators for Net County-to-County Migration Flow (5-year estimate) for Brule County, SD - last updated from the United States Federal Reserve on May of 2024.