Founded in Feb 1, 1811, Franklin County is one of 92 counties in the state of Indiana. Historically, Franklin County was formed from Clark County and Dearborn County. The city of Brookville is the county seat. With FIPS code of 47, Franklin County has a population of 22,842 and area of 384 square miles (995 km2).
List of all cities in Franklin County, IN alphabetically
| City/Town | Postal Code | Area Code |
| Andersonville, IN | 47024 | 765 |
| Bath, IN | 47010 | 765 |
| Brookville, IN | 47012 | 765 |
| Buena Vista, IN | 47024 | 765 |
| Cedar Grove, IN | 47016 | 765 |
| Laurel, IN | 47024 | 765 |
| Metamora, IN | 47030 | 765 |
| New Trenton, IN | 47035 | 812 |
| Oldenburg, IN | 47036 | 812 |
| Saint Leon, IN | 47012 | 765 |