26 ZIP Codes
| Zip Code | City | Population ↓ |
|---|---|---|
| 46835 | Fort Wayne | 38,166 |
| 46804 | Fort Wayne | 29,661 |
| 46845 | Fort Wayne | 29,583 |
| 46825 | Fort Wayne | 29,296 |
| 46815 | Fort Wayne | 27,238 |
| 46806 | Fort Wayne | 26,425 |
| 46818 | Fort Wayne | 21,954 |
| 46805 | Fort Wayne | 21,437 |
| 46808 | Fort Wayne | 19,684 |
| 46816 | Fort Wayne | 19,514 |
| 46774 | New Haven | 17,858 |
| 46814 | Fort Wayne | 16,778 |
| 46807 | Fort Wayne | 16,317 |
| 46802 | Fort Wayne | 11,177 |
| 46803 | Fort Wayne | 10,994 |
| 46819 | Fort Wayne | 9,369 |
| 46809 | Fort Wayne | 8,589 |
| 46748 | Huntertown | 6,902 |
| 46765 | Leo | 5,786 |
| 46741 | Grabill | 4,713 |
| 46797 | Woodburn | 4,097 |
| 46773 | Monroeville | 3,474 |
| 46743 | Harlan | 2,347 |
| 46745 | Hoagland | 1,793 |
| 46798 | Yoder | 954 |
| 46704 | Arcola | 70 |
The data shown reflect ZCTAs from the US Census. As of 2025, there are 26 ZCTAs in Allen County, Indiana (US Census).