There are 15 zip codes in Clinton County, Iowa. The most populated is 52732, located in Clinton. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
5273225,984Clinton
527427,581De Witt
527305,042Camanche
527771,261Wheatland
52751985Grand Mound
52037943Delmar
52729914Calamus
52254906Lost Nation
52731777Charlotte
52750513Goose Lake
52727375Bryant
52757239Low Moor
52774141Welton
52701121Andover
5277155Teeds Grove

Zip Codes in Clinton County, Iowa by Population (2024)