10 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 37064 | Franklin | 66,641 |
| 37027 | Brentwood | 61,961 |
| 37067 | Franklin | 31,550 |
| 37135 | Nolensville | 23,231 |
| 37069 | Franklin | 19,994 |
| 37179 | Thompsons Station | 17,411 |
| 37062 | Fairview | 13,165 |
| 37046 | College Grove | 6,632 |
| 37014 | Arrington | 3,633 |
| 38476 | Primm Springs | 1,240 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 10 ZCTAs in Williamson County, Tennessee (US Census).