
Shelby County
- State:
- Kentucky
- County Seat:
- Shelbyville
Shelby County's estimated 2025 population is 50,861 with a growth rate of 1.34% in the past year according to the most recent United States census data. Shelby County is the 20th largest county in Kentucky. The 2010 population was 42,222 and has seen a growth of 20.46% since that time.