| Zip Code | City | Population ↓ |
|---|---|---|
| 52205 | Anamosa | 8,537 |
| 52310 | Monticello | 6,286 |
| 52033 | Cascade | 3,417 |
| 52320 | Olin | 1,290 |
| 52323 | Oxford Junction | 1,087 |
| 52362 | Wyoming | 882 |
| 52305 | Martelle | 869 |
| 52321 | Onslow | 458 |
| 52212 | Center Junction | 446 |
| 52252 | Langworthy | 126 |
| 52312 | Morley | 49 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 11 ZCTAs in Jones County, Iowa (US Census).