
Sumter County
- State:
- Alabama
- County Seat:
- Livingston
Sumter County's estimated 2025 population is 11,403 with a growth rate of -1.4% in the past year according to the most recent United States census data. Sumter County is the 60th largest county in Alabama. The 2010 population was 13,730 and has seen a growth of -16.95% since that time.