There are 8 zip codes in Morton County, North Dakota. The most populated is 58554, located in Mandan. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
5855428,814Mandan
585631,951New Salem
58631989Glen Ullin
58638966Hebron
58570484Solen
58535444Flasher
58566255Saint Anthony
58520253Almont

Zip Codes in Morton County, North Dakota by Population (2024)