Guntersville
- County:
- Marshall County
- County Seat:
- Yes
- Area (mi²):
- 25.635
- State:
- Alabama
Guntersville is a city located in Marshall County, Alabama. Guntersville has a 2026 population of 9,242. It is also the county seat of Marshall County. Guntersville is currently growing at a rate of 2.12% annually and its population has increased by 7.6% since the most recent census, which recorded a population of 8,589 in 2020.