9 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 46947 | Logansport | 28,590 |
| 46932 | Galveston | 3,007 |
| 46978 | Royal Center | 2,279 |
| 46994 | Walton | 2,270 |
| 46988 | Twelve Mile | 918 |
| 46950 | Lucerne | 432 |
| 46998 | Young America | 206 |
| 46967 | Onward | 147 |
| 46961 | New Waverly | 48 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 9 ZCTAs in Cass County, Indiana (US Census).