9 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 61036 | Galena | 6,796 |
| 61025 | East Dubuque | 4,465 |
| 61085 | Stockton | 2,923 |
| 61087 | Warren | 1,755 |
| 61028 | Elizabeth | 1,639 |
| 61041 | Hanover | 1,436 |
| 61001 | Apple River | 1,289 |
| 61075 | Scales Mound | 1,026 |
| 61059 | Nora | 176 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 9 ZCTAs in Jo Daviess County, Illinois (US Census).