12 ZIP Codes
| Zip Code | City | Population ↓ |
|---|---|---|
| 48446 | Lapeer | 30,581 |
| 48444 | Imlay City | 9,483 |
| 48455 | Metamora | 8,532 |
| 48461 | North Branch | 7,719 |
| 48421 | Columbiaville | 6,935 |
| 48003 | Almont | 6,339 |
| 48412 | Attica | 5,815 |
| 48428 | Dryden | 5,151 |
| 48464 | Otter Lake | 2,152 |
| 48760 | Silverwood | 1,204 |
| 48727 | Clifford | 958 |
| 48440 | Hadley | 146 |
The data shown reflect ZCTAs from the US Census. As of 2025, there are 12 ZCTAs in Lapeer County, Michigan (US Census).