There are 8 zip codes in Palo Alto County, Iowa. The most populated is 50536, located in Emmetsburg. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
City
Population
50536Emmetsburg4,304
51342Graettinger1,315
50597West Bend1,312
51358Ruthven1,259
50562Mallard394
50528Cylinder344
50515Ayrshire271
50527Curlew106

Palo Alto County, Iowa Zip Codes by Population (2024)