Hamersville
- County:
- Brown County
- County Seat:
- No
- Area (mi²):
- 0.438
- State:
- Ohio
Hamersville is a village located in Brown County, Ohio. Hamersville has a 2026 population of 497. Hamersville is currently growing at a rate of 0.81% annually and its population has increased by 1.02% since the most recent census, which recorded a population of 492 in 2020.
The median household income in Hamersville is $66,554 with a poverty rate of 11.11%. The median age in Hamersville is 37.9 years: 38.1 years for males, and 37.4 years for females. For every 100 females there are 86.2 males.