Trenton is a city located in Gibson County Tennessee. It is also the county seat of Gibson County. With a 2020 population of 4,114, it is the 118th largest city in Tennessee and the 5324th largest city in the United States . Trenton is currently declining at a rate of -0.80% annually and its population has decreased by -3.52% since the most recent census, which recorded a population of 4,264 in 2010. Trenton reached it's highest population of in . Spanning over 8 miles, Trenton has a population density of 512 people per square mile.
The average household income in Trenton is $42,981 with a poverty rate of 23.92%. The median rental costs in recent years comes to $660 per month, and the median house value is $93,400. The median age in Trenton is 36.4 years, 32.7 years for males, and 45.4 years for females.