There are 9 zip codes in Smith County, Tennessee. The most populated is 37030, located in Carthage. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
370307,595Carthage
371452,556Pleasant Shade
385632,520Gordonsville
385471,718Brush Creek
385601,531Elmwood
385671,057Hickman
37151443Riddleton
38569309Lancaster
38552242Chestnut Mound

Zip Codes in Smith County, Tennessee by Population (2024)