There are 14 zip codes in Kosciusko County, Indiana. The most populated is 46580, located in Warsaw. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
4658022,538Warsaw
4658214,063Warsaw
465679,395Syracuse
465905,077Winona Lake
465624,894Pierceton
465424,744Milford
465384,498Leesburg
465102,942Claypool
469822,730Silver Lake
465242,653Etna Green
465392,502Mentone
465552,389North Webster
46508200Burket
46502Atwood
showing: 14 rows

Zip Codes in Kosciusko County, Indiana by Population (2024)