Troy is a city in Pike County, Alabama, United States. As of the 2010 census, the population was 18,003. Troy experienced a growth spurt of over 4,000+ people since 2000. The city is the county seat of Pike County.Troy is a college town and is home to Troy University.Troy near the Montgomery area, the Chunnenuggee Hills region ends and the flat "Black Prairie" region begins, commonly known as the Black Belt region. About 60 miles south of Troy in the Dothan area, the Southern Red Hills region ends and the "Dougherty Plains" region begins.Much of the region consists of pine forests. Most tree species found in the area are pine, hickory, oak, pecan, and populus. The 231-mile long Conecuh River flows at the northern end of Troy.