| Zip Code | City | Population ↓ |
|---|---|---|
| 49829 | Escanaba | 16,869 |
| 49837 | Gladstone | 9,899 |
| 49878 | Rapid River | 3,204 |
| 49807 | Bark River | 3,072 |
| 49894 | Wells | 912 |
| 49895 | Wetmore | 873 |
| 49835 | Garden | 757 |
| 49817 | Cooks | 627 |
| 49872 | Perkins | 226 |
| 49864 | Nahma | 32 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 10 ZCTAs in Delta County, Michigan (US Census).