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." The city has a population density of 2,200 people per square mile and land accompanied by its town hall, municipal service center, and recreation and aquatic center. According to the 2010 census, the city's population is 39,627, making Keller the 74th most populated city in Texas.