Iowa Real Estate
The Mississippi River forms the eastern boundary of the state. The boundary along the west is formed by the Missouri River south of Sioux City and by the Big Sioux River north of Sioux City. There are several natural lakes in the state, most notably Spirit Lake, West Okoboji Lake, and East Okoboji Lake in northwest Iowa (see Iowa Great Lakes). Man-made lakes include Lake Odessa, Saylorville Lake, Lake Red Rock, Lake McBride and Rathbun Lake.
The topography of the state is gently rolling plains. Loess hills lie along the western border of the state. Some of these are several hundred feet thick. In the northeast, along the Mississippi River, is a section of the Driftless Zone, which in Iowa consists of low rugged hills covered with conifers—a landscape not usually associated with this state.
The point of lowest elevation is Keokuk in southeastern Iowa, at 480 feet (146 m). The point of highest elevation, at 1,670 feet (509 m), is Hawkeye Point, located in a feedlot north of Sibley in northwest Iowa. The mean elevation of the state is 1,099 feet (335 m). Considering the size of the state at 56,271 square miles (145,743 km²), there is very little elevation difference.
Iowa has 99 counties. The state capital, Des Moines, is located in Polk County.
Iowa Information Links
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