15 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 49423 | Holland | 46,467 |
| 49010 | Allegan | 18,457 |
| 49080 | Plainwell | 15,516 |
| 49348 | Wayland | 13,280 |
| 49323 | Dorr | 10,852 |
| 49408 | Fennville | 10,582 |
| 49078 | Otsego | 10,464 |
| 49419 | Hamilton | 8,483 |
| 49328 | Hopkins | 3,962 |
| 49344 | Shelbyville | 3,896 |
| 49450 | Pullman | 3,062 |
| 49453 | Saugatuck | 2,746 |
| 49070 | Martin | 2,175 |
| 49406 | Douglas | 781 |
| 49335 | Moline | 140 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 15 ZCTAs in Allegan County, Michigan (US Census).