There are 8 zip codes in Newton County, Missouri. The most populated is 64804, located in Joplin. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
6480437,043Joplin
6485023,931Neosho
648655,814Seneca
648444,230Granby
648403,456Diamond
64866988Stark City
64842932Fairview
64858334Racine

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