There are 4 zip codes in Marion County, Mississippi. The most populated is 39429, located in Columbia. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
3942915,815Columbia
394835,717Foxworth
394782,461Sandy Hook
396431,450Kokomo

Zip Codes in Marion County, Mississippi by Population (2024)