Des Moines is a city located in central part of the state of Iowa, in Polk County.
Des Moines is the capital city of Iowa.
It is also the most populated city in the state.
The city was incorporated in 1851 as Fort Des Moines, but was later renamed to Des Moines in 1857.
As of 2000, the population of Des Moines was 198,682.
This link about Des Moines, Iowa has more information.