18 ZIP Codes
| Zip Code | City | Population ↓ |
|---|---|---|
| 49009 | Kalamazoo | 47,971 |
| 49024 | Portage | 30,823 |
| 49006 | Kalamazoo | 26,507 |
| 49048 | Kalamazoo | 22,791 |
| 49001 | Kalamazoo | 20,946 |
| 49002 | Portage | 19,737 |
| 49004 | Kalamazoo | 17,815 |
| 49008 | Kalamazoo | 16,137 |
| 49097 | Vicksburg | 11,754 |
| 49007 | Kalamazoo | 9,836 |
| 49083 | Richland | 8,254 |
| 49053 | Galesburg | 7,805 |
| 49087 | Schoolcraft | 6,305 |
| 49088 | Scotts | 3,807 |
| 49012 | Augusta | 3,219 |
| 49034 | Climax | 1,938 |
| 49052 | Fulton | 1,234 |
| 49074 | Nazareth | 194 |
The data shown reflect ZCTAs from the US Census. As of 2025, there are 18 ZCTAs in Kalamazoo County, Michigan (US Census).