Nestled comfortably in the heart of the Dallas-Fort Worth Metroplex, the City of Keller has gained national attention by pairing big-city conveniences and amenities with small-town roots and an emphasis on quality of life.Blessed with a warm and welcoming atmosphere, an excellent school system, a wide variety of shopping and dining destinations, and award-winning city facilities, programs and services, Keller is Texas’s Most Family-Friendly City — home to just over 46,000 residents within its 18.4 square miles.