
Trenton
- County:
- Butler County
- County Seat:
- No
- Area (mi²):
- 4.938
- State:
- Ohio
Trenton is a city located in Butler County, Ohio. Trenton has a 2025 population of 14,215. Trenton is currently growing at a rate of 1.64% annually and its population has increased by 8.74% since the most recent census, which recorded a population of 13,072 in 2020.
The average household income in Trenton is $100,802 with a poverty rate of 6.08%. The median age in Trenton is 33.2 years: 33.5 years for males, and 32.7 years for females.