There are 6 zip codes in Garfield County, Colorado. The most populated is 81601, located in Glenwood Springs. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
8160116,547Glenwood Springs
816379,733Gypsum
816357,000Parachute
816476,528New Castle
816526,059Silt
816301,119De Beque

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