There are 11 zip codes in Walsh County, North Dakota. The most populated is 58237, located in Grafton. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
City
Population
58237Grafton5,156
58270Park River1,905
58261Minto1,295
58243Hoople546
58227Edinburg535
58231Fordville459
58233Forest River277
58210Adams269
58250Lankin210
58273Pisek154
58229Fairdale62

Walsh County, North Dakota Zip Codes by Population (2024)