There are 4 zip codes in Rhea County, Tennessee. The most populated is 37321, located in Dayton. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
City
Population
37321Dayton20,672
37381Spring City10,167
37332Evensville1,977
37337Grandview828

Rhea County, Tennessee Zip Codes by Population (2024)