Oacoma, SD

united states

Oacoma is a small town of 548 people on the Missouri River's west bank, directly across from South Dakota's capital, Pierre. Travelers reach it via US Highway 83 north from Interstate 90 or US Highway 14, which crosses the river at the Oahe Dam. The town serves as a gateway between eastern South Dakota and destinations like Rapid City, with EV charging at the nearby Flying J truck stop. Its Lakota name means "between," reflecting its role as a river crossing point.