There are 13 zip codes in New Madrid County, Missouri. The most populated is 63873, located in Portageville. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
638734,031Portageville
638693,269New Madrid
638621,223Lilbourn
638701,172Parma
638481,127Gideon
63867981Matthews
63868801Morehouse
63866420Marston
63860213Kewanee
63874202Risco
63828144Canalou
63833135Catron
6387888Tallapoosa
showing: 13 rows

Zip Codes in New Madrid County, Missouri by Population (2024)