
Somerville
- County:
- Butler County
- County Seat:
- No
- Area (mi²):
- 0.264
- State:
- Ohio
Somerville is a CDP located in Butler County, Ohio. Somerville has a 2025 population of 365. Somerville is currently growing at a rate of 7.04% annually and its population has increased by 20.07% since the most recent census, which recorded a population of 304 in 2020.
The average household income in Somerville is $107,059 with a poverty rate of 0%. The median age in Somerville is 40.8 years: 37.1 years for males, and 40.9 years for females.