There are 9 zip codes in Routt County, Colorado. The most populated is 80487, located in Steamboat Springs. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
8048718,383Steamboat Springs
816392,560Hayden
804672,512Oak Creek
80428512Clark
80483504Yampa
80469356Phippsburg
8046392McCoy
8047912Toponas
816530Slater

Zip Codes in Routt County, Colorado by Population (2024)