There are 7 zip codes in Newton County, Mississippi. The most populated is 39345, located in Newton. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
393455,464Newton
393274,548Decatur
390572,315Conehatta
393321,972Hickory
393371,554Little Rock
393231,394Chunky
39336952Lawrence

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