Trenton was originally called Bloomfield, and under the latter name was platted in 1815. Landmarks include John Augspurger Farm No. 2, Christian Ehresman Farm and John Augspurger Farm No. 1. Trenton is the birthplace of Zach Apple, swimmer.
- CountyButler County
- Population13,021 (2020 U.S. Census)
- Historic places5 on the National Register


































John Augspurger Farm No. 2
Christian Ehresman Farm
John Augspurger Farm No. 1
John Kennel, Sr., Farm