7 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 53566 | Monroe | 15,037 |
| 53574 | New Glarus | 4,151 |
| 53521 | Brooklyn | 3,587 |
| 53570 | Monticello | 2,654 |
| 53502 | Albany | 2,464 |
| 53550 | Juda | 1,163 |
| 53522 | Browntown | 893 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 7 ZCTAs in Green County, Wisconsin (US Census).