Founded on Jan 1, 1816, Jackson County is one of 92 counties in the state of Indiana. Historically, Jackson County was formed from Clark, Jefferson and Washington. The city of Brownstown is the county seat. With FIPS code of 71, Jackson County has a population of 46,067 and area of 509 square miles (1,318 km2).
List of all cities in Jackson County, IN alphabetically
| City/Town | Postal Code | Area Code |
| Brownstown, IN | 47220 | 812 |
| Cortland, IN | 47228 | 812 |
| Crothersville, IN | 47229 | 812 |
| Freetown, IN | 47235 | 812 |
| 47249 | 812 | |
| Kurtz, IN | 47249 | 812 |
| Lutheran Lake, IN | 47274 | 812 |
| Medora, IN | 47260 | 812 |
| Norman, IN | 47264 | 812 |
| Retreat, IN | 47229 | 812 |
| Seymour, IN | 47274 | 812 |
| Tampico, IN | 47229 | 812 |
| Vallonia, IN | 47281 | 812 |