Shelbyville
- County:
- Shelby County
- County Seat:
- Yes
- Area (mi²):
- 13.807
- State:
- Indiana
Shelbyville is a city located in Shelby County, Indiana. Shelbyville has a 2026 population of 20,845. It is also the county seat of Shelby County. Shelbyville is currently growing at a rate of 1.05% annually and its population has increased by 3.57% since the most recent census, which recorded a population of 20,126 in 2020.