Plankinton, SD
united states
united states
Plankinton, the Aurora County seat, sits on US Highway 14 in south-central South Dakota's rolling prairie. Most visitors arrive from Mitchell (30 miles east) or Pierre (60 miles west) via this major cross-state route, while I-90 travelers can reach town via Highway 45 from the south. The 1902 brick courthouse anchors the historic downtown square.