Trenton is a city in Gilchrist County, Florida, United States. The population was 1,617 at the 2000 census. According to the U.S. Census Bureau's 2004 estimates, the town had a population of 1,767. It is the county seat of Gilchrist County. Trenton apartments for rent comparison page shows most up to date rent information on Trenton apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.