Ottumwa, South Dakota

Ottumwa is an unincorporated hamlet in Haakon County, in the U.S. state of South Dakota. Only three homes and a farm are located there; no businesses or services.

History
A post office at Ottumwa was established in 1904, and remained in operation until 1983. The community takes its name from Ottumwa, Iowa, the native home of a share of the early settlers.