Ottumwa's state is Iowa, which is a state located in the Midwestern United States. It is bordered by Minnesota to the north, Wisconsin and Illinois to the east, Missouri to the south, and Nebraska and South Dakota to the west. Iowa is the 26th most populous state in the US and the 30th most extensive in terms of land area. The capital of Iowa is Des Moines, and its largest city is also Des Moines. Iowa is known for its rolling hills, prairies, and rivers. Agriculture is a major industry in the state, and it is also home to several universities and colleges.