There are 16 zip codes in Benton County, Iowa. The most populated is 52349, located in Vinton. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
523497,665Vinton
522082,992Belle Plaine
522062,668Atkins
522242,016Dysart
523321,819Shellsburg
523451,578Urbana
523511,434Walford
523151,297Newhall
523461,119Van Horne
522091,049Blairstown
523181,045Norway
52249960Keystone
52229849Garrison
52313405Mount Auburn
52354243Watkins
52257241Luzerne

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