There are 7 zip codes in Eau Claire County, Wisconsin. The most populated is 54703, located in Eau Claire. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
5470343,618Eau Claire
5470141,559Eau Claire
547208,863Altoona
547425,034Fall Creek
547223,820Augusta
547383,734Eleva
547411,899Fairchild

Zip Codes in Eau Claire County, Wisconsin by Population (2024)