There are 10 zip codes in Morrow County, Ohio. The most populated is 44833, located in Galion. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
City
Population
44833Galion16,537
43338Mount Gilead10,033
43315Cardington7,013
43334Marengo6,229
43003Ashley3,139
43320Edison1,370
43321Fulton374
43350Sparta184
43317Chesterville179
43325Iberia80

Morrow County, Ohio Zip Codes by Population (2024)