Founded on Dec 31, 1821, Shelby County is one of 92 counties in the state of Indiana. Historically, Shelby County was formed from Delaware New Purchase. The city of Shelbyville is the county seat. With FIPS code of 145, Shelby County has a population of 45,039 and area of 411 square miles (1,064 km2).
List of all cities in Shelby County, IN alphabetically
| City/Town | Postal Code | Area Code |
| Boggstown, IN | 46110 | 317 |
| Fairland, IN | 46126 | 317 |
| Flat Rock, IN | 47234 | 812 |
| Fountaintown, IN | 46130 | 317 |
| Freeport, IN | 46161 | 765 |
| Gwynneville, IN | 46144 | 317 |
| Morristown, IN | 46161 | 765 |
| Shelbyville, IN | 46176 | 317 |
| Waldron, IN | 46182 | 317 |