27 ZIP Codes
| Zip Code | City | Population ↓ |
|---|---|---|
| 49508 | Grand Rapids | 42,720 |
| 49504 | Grand Rapids | 40,036 |
| 49503 | Grand Rapids | 39,489 |
| 49341 | Rockford | 39,409 |
| 49507 | Grand Rapids | 38,487 |
| 49548 | Grand Rapids | 34,777 |
| 49546 | Grand Rapids | 34,721 |
| 49506 | Grand Rapids | 34,673 |
| 49505 | Grand Rapids | 32,426 |
| 49418 | Grandville | 31,913 |
| 49525 | Grand Rapids | 30,887 |
| 49509 | Wyoming | 28,152 |
| 49519 | Wyoming | 27,965 |
| 49315 | Byron Center | 27,091 |
| 49316 | Caledonia | 26,427 |
| 49301 | Ada | 19,846 |
| 49319 | Cedar Springs | 18,802 |
| 49512 | Grand Rapids | 18,373 |
| 49331 | Lowell | 17,661 |
| 49321 | Comstock Park | 15,970 |
| 49345 | Sparta | 13,512 |
| 49306 | Belmont | 11,028 |
| 49302 | Alto | 9,754 |
| 49544 | Grand Rapids | 9,631 |
| 49343 | Sand Lake | 5,664 |
| 49330 | Kent City | 5,599 |
| 49326 | Gowen | 3,980 |
The data shown reflect ZCTAs from the US Census. As of 2025, there are 27 ZCTAs in Kent County, Michigan (US Census).