Gerster
- County:
- Benton County
- County Seat:
- No
- Area (mi²):
- 0.081
- State:
- Missouri
Gerster is a town located in Benton County, Missouri. Gerster has a 2026 population of 19. Gerster is currently declining at a rate of 0% annually and its population has increased by 5.56% since the most recent census, which recorded a population of 18 in 2020.