There are 12 zip codes in Oconto County, Wisconsin. The most populated is 54153, located in Oconto. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
541537,085Oconto
541545,657Oconto Falls
541713,903Sobieski
541243,367Gillett
541393,267Lena
541013,105Abrams
541743,069Suring
541412,643Little Suamico
541612,559Pound
541491,206Mountain
541751,115Townsend
54138864Lakewood

Zip Codes in Oconto County, Wisconsin by Population (2024)