Mean Commuting Time for Workers (5-year estimate) in Sully County, SD was 16.65923 Minutes in January of 2022, according to the United States Federal Reserve. Historically, Mean Commuting Time for Workers (5-year estimate) in Sully County, SD reached a record high of 17.21408 in January of 2010 and a record low of 12.67730 in January of 2019. Trading Economics provides the current actual value, an historical data chart and related indicators for Mean Commuting Time for Workers (5-year estimate) in Sully County, SD - last updated from the United States Federal Reserve on May of 2024.