14 ZIP Codes
| Zip Code | City | Population ↓ |
|---|---|---|
| 46580 | Warsaw | 21,794 |
| 46582 | Warsaw | 14,604 |
| 46567 | Syracuse | 9,292 |
| 46542 | Milford | 5,096 |
| 46590 | Winona Lake | 5,080 |
| 46562 | Pierceton | 5,040 |
| 46538 | Leesburg | 4,291 |
| 46510 | Claypool | 2,984 |
| 46539 | Mentone | 2,659 |
| 46982 | Silver Lake | 2,604 |
| 46555 | North Webster | 2,517 |
| 46524 | Etna Green | 2,023 |
| 46508 | Burket | 203 |
| 46502 | Atwood | 0 |
The data shown reflect ZCTAs from the US Census. As of 2025, there are 14 ZCTAs in Kosciusko County, Indiana (US Census).