18 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 49009 | Kalamazoo | 47,606 |
| 49024 | Portage | 30,937 |
| 49006 | Kalamazoo | 25,888 |
| 49048 | Kalamazoo | 23,999 |
| 49001 | Kalamazoo | 21,313 |
| 49002 | Portage | 19,444 |
| 49004 | Kalamazoo | 17,796 |
| 49008 | Kalamazoo | 16,488 |
| 49097 | Vicksburg | 11,452 |
| 49007 | Kalamazoo | 9,747 |
| 49083 | Richland | 8,110 |
| 49053 | Galesburg | 7,255 |
| 49087 | Schoolcraft | 6,074 |
| 49088 | Scotts | 3,747 |
| 49012 | Augusta | 3,106 |
| 49034 | Climax | 2,066 |
| 49052 | Fulton | 1,086 |
| 49074 | Nazareth | 212 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 18 ZCTAs in Kalamazoo County, Michigan (US Census).