Hamlin County on the map of South Dakota 2025. Cities, roads, borders and directions in Hamlin County of South Dakota.

USA / South Dakota / Hamlin County

Hamlin County is situated in the eastern region of South Dakota. This prominent county is named after Hannibal Hamlin, Vice-President and United States Senator from Maine. The area of Hamlin County is about 511 square miles. This county, set up in 1873, is populated today by 6 thousand residents. Hayti is the county seat of Hamlin County. This map shows the borders of Hamlin County as well as neighboring counties, including major highways and natural objecsts as of 2025. 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 Hamlin County.

The borders of Hamlin County over the map of South Dakota

An image of Hamlin County, SD

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