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ZIP codes in Clinton County, Iowa

Clinton County, Iowa has 18 ZIP codes in this list, from 52037 to 52777. They cover 15 places, among them Clinton, Delmar, Lost Nation and Andover.

ZIP codePlaceLand area (sq mi)Map point
52037Delmar68.341.996, -90.609
52254Lost Nation59.341.974, -90.826
52701Andover0.641.979, -90.252
52727Bryant24.341.963, -90.339
52729Calamus39.741.811, -90.742
52730Camanche37.941.789, -90.271
52731Charlotte52.441.978, -90.478
52732Clinton11041.852, -90.208
52733Clintonno area41.844, -90.189
52734Clintonno area41.844, -90.189
52736Clintonno area41.844, -90.189
52742De Witt11741.827, -90.524
52750Goose Lake29.441.980, -90.382
52751Grand Mound50.841.850, -90.669
52757Low Moor0.541.802, -90.355
52771Teeds Grove1.741.999, -90.219
52774Welton0.341.908, -90.595
52777Wheatland55.841.826, -90.840

The ZIP code areas of Clinton County add up to about 648 square miles of land (1,678 sq km) as the Census Bureau draws them. The largest is 52742 (De Witt), with 117 square miles.

Places with more than one code here: Clinton (4 codes).

Using these codes

Places and counties: GeoNames. Areas: U.S. Census Bureau, 2024 ZIP Code Tabulation Areas. Checked in November 2026. This site is not connected with the United States Postal Service; for mailing, confirm the address with USPS.

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