| Zip Code | City | Population ↓ |
|---|---|---|
| 53533 | Dodgeville | 7,397 |
| 53565 | Mineral Point | 4,549 |
| 53507 | Barneveld | 2,415 |
| 53503 | Arena | 1,954 |
| 53543 | Highland | 1,746 |
| 53582 | Ridgeway | 1,182 |
| 53506 | Avoca | 963 |
| 53544 | Hollandale | 825 |
| 53553 | Linden | 612 |
| 53526 | Cobb | 559 |
| 53580 | Rewey | 487 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 11 ZCTAs in Iowa County, Wisconsin (US Census).