11 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 53533 | Dodgeville | 7,283 |
| 53565 | Mineral Point | 4,778 |
| 53507 | Barneveld | 2,467 |
| 53503 | Arena | 2,057 |
| 53543 | Highland | 1,758 |
| 53582 | Ridgeway | 1,070 |
| 53506 | Avoca | 1,011 |
| 53544 | Hollandale | 826 |
| 53553 | Linden | 621 |
| 53526 | Cobb | 471 |
| 53580 | Rewey | 442 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 11 ZCTAs in Iowa County, Wisconsin (US Census).