9 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 46947 | Logansport | 28,830 |
| 46932 | Galveston | 2,996 |
| 46994 | Walton | 2,180 |
| 46978 | Royal Center | 2,111 |
| 46988 | Twelve Mile | 909 |
| 46950 | Lucerne | 385 |
| 46998 | Young America | 196 |
| 46967 | Onward | 153 |
| 46961 | New Waverly | 47 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 9 ZCTAs in Cass County, Indiana (US Census).