
Franklin
- County:
- Johnson County
- County Seat:
- Yes
- Area (mi²):
- 15.305
- State:
- Indiana
Franklin is a city located in Johnson County, Indiana. Franklin has a 2025 population of 26,264. It is also the county seat of Johnson County. Franklin is currently growing at a rate of 0.68% annually and its population has increased by 3.51% since the most recent census, which recorded a population of 25,374 in 2020.
The average household income in Franklin is $92,894 with a poverty rate of 11.34%. The median age in Franklin is 34 years: 33 years for males, and 34.9 years for females.