Corydon is a city in Wayne County, Iowa, United States. The population was 1,585 in the 2010 census, a decline from 1,591 in the 2000 census. It is the county seat of Wayne County. Corydon is the hometown of Olympic gold medalist George Saling. Saling won the 110 meter hurdles in the 1932 Los Angeles games with a time of 14.6 seconds.