Founded on Feb 2, 1832, LaGrange County is one of 92 counties in the state of Indiana. Historically, LaGrange County was formed from un-organized. The city of LaGrange is the county seat. With FIPS code of 87, LaGrange County has a population of 40,524 and area of 380 square miles (984 km2).
List of all cities in LaGrange County, IN alphabetically
| City/Town | Postal Code | Area Code |
| Adams Lake, IN | 46795 | 260 |
| Brighton, IN | 46746 | 260 |
| Brushy Prairie, IN | 46761 | 260 |
| Elmira, IN | 46761 | 260 |
| Fish Lake, IN | 46761 | 260 |
| Howe, IN | 46746 | 260 |
| Lagrange, IN | 46761 | 260 |
| Lakeside, IN | 46795 | 260 |
| Lima, IN | 46746 | 260 |
| Mongo, IN | 46771 | 260 |
| Mount Pisgah, IN | 46761 | 260 |
| Plato, IN | 46761 | 260 |
| Pretty Lake, IN | 46795 | 260 |
| Royer Lake, IN | 46761 | 260 |
| Shady Nook, IN | 46795 | 260 |
| Shipshewana, IN | 46565 | 260 |
| South Milford, IN | 46786 | 260 |
| Stroh, IN | 46789 | 260 |
| Timberhurst, IN | 46795 | 260 |
| Topeka, IN | 46571 | 260 |
| Valentine, IN | 46761 | 260 |
| Wildwood Landing, IN | 46789 | 260 |
| Witmer Manor, IN | 46795 | 260 |
| Wolcottville, IN | 46795 | 260 |
| Woodland Park, IN | 46795 | 260 |
| Woodruff, IN | 46795 | 260 |