
New Trenton
- County:
- Franklin County
- County Seat:
- No
- Area (mi²):
- 0.456
- State:
- Indiana
New Trenton is a CDP located in Franklin County, Indiana. New Trenton has a 2025 population of 260. New Trenton is currently growing at a rate of 0.39% annually and its population has increased by 11.59% since the most recent census, which recorded a population of 233 in 2020.
The average household income in New Trenton is $57,848 with a poverty rate of 0%. The median age in New Trenton is 69 years: 53.8 years for males, and 70.3 years for females.