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Idaho Creek
Weld County
Idaho Springs
Clear Creek County
Idledale
Jefferson County
Idylwilde
Larimer County
Ignacio
La Plata County
Iliff
Logan County
Indian Hills
Jefferson County
Indian Meadows
Larimer County
Indian Springs Village
Jefferson County
Indians Hills
Jefferson County
Insmont
Park County
Iris
Saguache County
Irondale
Adams County
Ironton
Ouray County
Irwin
Gunnison County