| Zip Code | Primary City | Secondary City | More Information |
| 49002 | Portage | Kalamazoo | Kalamazoo population stats |
| 49024 | Portage | Kalamazoo | Kalamazoo population stats |
| 49001 | Kalamazoo | Kalamazoo | Kalamazoo population stats |
| 49002 | Portage | Portage | Portage population stats |
| 49003 | Kalamazoo | Kalamazoo | Kalamazoo population stats |
| 49004 | Kalamazoo | Kalamazoo | Kalamazoo population stats |
| 49005 | Kalamazoo | Kalamazoo | Kalamazoo population stats |
| 49006 | Kalamazoo | Kalamazoo | Kalamazoo population stats |
| 49007 | Kalamazoo | Kalamazoo | Kalamazoo population stats |
| 49008 | Kalamazoo | Kalamazoo | Kalamazoo population stats |
| 49009 | Kalamazoo | Kalamazoo | Kalamazoo population stats |
| 49019 | Kalamazoo | Kalamazoo | Kalamazoo population stats |
| 49048 | Kalamazoo | Kalamazoo | Kalamazoo population stats |
| 49081 | Portage | Portage | Portage population stats |