| Zip Code | City | Population ↓ |
|---|---|---|
| 49036 | Coldwater | 24,990 |
| 49082 | Quincy | 6,207 |
| 49028 | Bronson | 5,733 |
| 49094 | Union City | 3,682 |
| 49255 | Montgomery | 2,124 |
| 49089 | Sherwood | 2,100 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 6 ZCTAs in Branch County, Michigan (US Census).