Keller is a suburban city in Tarrant County, Texas in the Dallas–Fort Worth metroplex. Keller advertises itself as "successfully balancing big-city comforts with small-town charm." According to the 2010 census, the city's population is 39,627, making Keller the 74th most populated city in Texas.In the early 1850s, settlers established Keller and the town became a stop on the Texas and Pacific Railway. The settlers settled around the wooded region in Keller because of Keller’s location to the Trinity River water supply and abundant farmland. On November 16, 1955, Keller became incorporated.Keller is mostly residential, featuring more than 300 acres of developed land for 11 park sites and nearly 24 miles of hiking and biking trails. [2] The Keller Independent School District has 39 campuses serving more than 34,000 students.