
Flat Rock
- County:
- Shelby County
- County Seat:
- No
- Area (mi²):
- 0.349
- State:
- Indiana
Flat Rock is a CDP located in Shelby County, Indiana. Flat Rock has a 2025 population of 316. Flat Rock is currently growing at a rate of 7.12% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.
The average household income in Flat Rock is $73,239 with a poverty rate of 10.7%. The median age in Flat Rock is 32.9 years: 41.1 years for males, and 32.7 years for females.