There are 4 zip codes in Summit County, Colorado. The most populated is 80424, located in Breckenridge. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
8042410,811Breckenridge
804988,426Silverthorne
804358,336Dillon
804434,118Frisco
showing: 4 rows

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