Yankton County on the map of South Dakota 2024. Cities, roads, borders and directions in Yankton County of South Dakota.

Yankton County is situated in the southeastern area of South Dakota. This famous county is named after Yankton Sioux Native Americans. The area of Yankton County is about 522 square miles. This county, created in 1862, is populated today by 23 thousand residents. Yankton is the county seat of Yankton County. This map shows the borders of Yankton County as well as neighboring counties, including major highways and natural objecsts as of 2024. Zoom in or out of the map using the plus/minus panel. Move the center of this map by dragging it. Also check out the satellite map of Yankton County.