
Shelby County
- State:
- Alabama
- County Seat:
- Columbiana
Shelby County's estimated 2025 population is 238,934 with a growth rate of 1.26% in the past year according to the most recent United States census data. Shelby County is the 5th largest county in Alabama. The 2010 population was 196,036 and has seen a growth of 21.88% since that time.