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
City
Population
80424Breckenridge10,811
80498Silverthorne8,426
80435Dillon8,336
80443Frisco4,118

Summit County, Colorado Zip Codes by Population (2024)