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Ozaukee County, Wisconsin Zip Codes
Zip Code
City
Population
53092
Mequon
21,161
53024
Grafton
18,752
53012
Cedarburg
18,721
53074
Port Washington
13,343
53097
Mequon
7,220
53080
Saukville
5,190
53021
Fredonia
4,428
53004
Belgium
3,596
Population is the most recent figure from the U.S. Census Bureau's 2022
American Community Survey (ACS) 5-Year Estimates
.