Trenton is a very small city located in the state of Tennessee. With a population of 4,111 people and four associated neighborhoods, Trenton is the 136th largest community in Tennessee.

Trenton is a small city, and as such doesn't have a public transit system that people use to get to and from their jobs every day.

The percentage of adults in Trenton who are college-educated is close to the national average for all communities of 21.84%: 20.88% of the adults in Trenton have a bachelor's degree or advanced degree.

The per capita income in Trenton in 2022 was $25,355, which is lower middle income relative to Tennessee, and low income relative to the rest of the US. This equates to an annual income of $101,420 for a family of four. However, Trenton contains both very wealthy and poor people as well.

Trenton is an extremely ethnically-diverse city. The people who call Trenton home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Trenton residents report their race to be White, followed by Black or African-American. Important ancestries of people in Trenton include English, German, Irish, European, and Scottish.

The most common language spoken in Trenton is English. Other important languages spoken here include Spanish and Italian.