10 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 37064 | Franklin | 67,513 |
| 37027 | Brentwood | 61,630 |
| 37067 | Franklin | 31,556 |
| 37135 | Nolensville | 24,409 |
| 37069 | Franklin | 20,209 |
| 37179 | Thompsons Station | 18,043 |
| 37062 | Fairview | 13,851 |
| 37046 | College Grove | 7,310 |
| 37014 | Arrington | 3,227 |
| 38476 | Primm Springs | 1,228 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 10 ZCTAs in Williamson County, Tennessee (US Census).