There are 7 zip codes in Worth County, Iowa. The most populated is 50459, located in Northwood. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
504593,046Northwood
504561,783Manly
50448630Kensett
50446522Joice
50434448Fertile
50440340Grafton
50444333Hanlontown

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