Founded on Feb 7, 1835, Kosciusko County is one of 92 counties in the state of Indiana. Historically, Kosciusko County was formed from un-organized. The city of Warsaw is the county seat. With FIPS code of 85, Kosciusko County has a population of 80,106 and area of 531 square miles (1,375 km2).
List of all cities in Kosciusko County, IN alphabetically
| City/Town | Postal Code | Area Code |
| Atwood, IN | 46502 | 574 |
| Burket, IN | 46508 | 574 |
| Claypool, IN | 46510 | 574 |
| Etna Green, IN | 46524 | 574 |
| Leesburg, IN | 46538 | 574 |
| Mentone, IN | 46539 | 574 |
| Milford, IN | 46542 | 574 |
| North Webster, IN | 46555 | 574 |
| Pierceton, IN | 46562 | 574 |
| Sidney, IN | 46562 | 574 |
| Silver Lake, IN | 46982 | 260 |
| Syracuse, IN | 46567 | 574 |
| Warsaw, IN | 46580 | 574 |
| 46581 | 574 | |
| 46582 | 574 | |
| Winona Lake, IN | 46590 | 574 |