
Marshall County
- State:
- Alabama
- County Seat:
- Guntersville
Marshall County's estimated 2025 population is 103,412 with a growth rate of 1.3% in the past year according to the most recent United States census data. Marshall County is the 14th largest county in Alabama. The 2010 population was 93,119 and has seen a growth of 11.05% since that time.