Welcome to Keller, Texas! Keller is a city located in Tarrant County, Texas, in the United States. In 2009, it was ranked 7th in Money Magazine’s list of best cities to live in the United States. It is a northern suburb of the city of Fort Worth and is part of the Dallas–Fort Worth metroplex. The population was 39,627 at the 2010 census. The city offers both a private golf course and public Keller, biking trails, shopping, dining, town square, art district, natatroium, library and much more. Make sure you check out Keller Pointe, the city’s community fitness center and water park. Keller’s high rated school district draws many to the area.