Founded on Dec 18, 1828, Cass County is one of 92 counties in the state of Indiana. Historically, Cass County was formed from Non-county Area. The city of Logansport is the county seat. With FIPS code of 17, Cass County has a population of 37,563 and area of 412 square miles (1,067 km2).
List of all cities in Cass County, IN alphabetically
| City/Town | Postal Code | Area Code |
| Galveston, IN | 46932 | 574 |
| Lake Cicott, IN | 46942 | 574 |
| Logansport, IN | 46947 | 574 |
| Lucerne, IN | 46950 | 574 |
| Mile, IN | 46988 | 574 |
| New Waverly, IN | 46961 | 574 |
| Onward, IN | 46967 | 574 |
| Royal Center, IN | 46978 | 574 |
| Twelve Mile, IN | 46988 | 574 |
| Walton, IN | 46994 | 574 |
| Young America, IN | 46998 | 574 |