
Shelby County
- State:
- Indiana
- County Seat:
- Shelbyville
Shelby County's estimated 2025 population is 45,315 with a growth rate of 0.09% in the past year according to the most recent United States census data. Shelby County is the 33rd largest county in Indiana. The 2010 population was 44,295 and has seen a growth of 2.3% since that time.