11 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 52205 | Anamosa | 8,627 |
| 52310 | Monticello | 6,450 |
| 52033 | Cascade | 3,292 |
| 52320 | Olin | 1,425 |
| 52323 | Oxford Junction | 942 |
| 52305 | Martelle | 913 |
| 52362 | Wyoming | 816 |
| 52212 | Center Junction | 601 |
| 52321 | Onslow | 395 |
| 52312 | Morley | 46 |
| 52252 | Langworthy | 13 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 11 ZCTAs in Jones County, Iowa (US Census).