| Zip Code | City | Population ↓ |
|---|---|---|
| 54880 | Superior | 30,219 |
| 54874 | South Range | 3,721 |
| 54873 | Solon Springs | 3,285 |
| 54849 | Lake Nebagamon | 1,864 |
| 54864 | Poplar | 1,506 |
| 54838 | Gordon | 1,223 |
| 54836 | Foxboro | 1,048 |
| 54854 | Maple | 902 |
| 54820 | Brule | 799 |
| 54842 | Hawthorne | 261 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 10 ZCTAs in Douglas County, Wisconsin (US Census).