There are 10 zip codes in Williamson County, Tennessee. The most populated is 37064, located in Franklin. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
3706463,374Franklin
3702762,116Brentwood
3706731,953Franklin
3713522,693Nolensville
3706919,571Franklin
3717917,454Thompsons Station
3706213,194Fairview
370466,674College Grove
370143,316Arrington
384761,146Primm Springs

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