Keller is an affluent city located in the Dallas–Fort Worth metropolitan area of the United States. In 2009, it was ranked 7th in MoneyMagazine’s list of best cities to live in the United States. It is a northern suburb of the city of Fort Worth. The population was 39,627 at the 2010 census.
New residential development is expanding the city in all directions. The 1980 Census calculated Keller’s population at 4,555; today, about 42,000 residents call Keller home. The city planned for its growth and has recently constructed a new town hall, municipal service center, and award-winning recreation and aquatic center known as The Keller Pointe. It has renovated and expanded its police facility, which houses the Regional Jail, Regional Animal Adoption Center and regional 911 dispatch center, completed a major expansion to the Keller Public Library , and constructed a new fire station (#4) for the southern portion of the city. The Keller Independent School District has 36 campuses serving more than 30,000 students . The district serves portions of the cities of Colleyville, Fort Worth, Haltom City, Hurst, North Richland Hills, Southlake, Watauga and Westlake, as well as the entire city of Keller. Its 51 square miles (130 km2) encompass the third-largest land area in Tarrant County. Enrollment in the school district has doubled during the past 10 years and is expected to do the same during the next decade, making it the ninth-fastest growing school district in Texas. Money magazine rated Keller as one of the 10 “Best Places to Live” in the United States for 2009, ranked number 7.  It rated Keller as one of the 100 “Best Places to Live” in the United States for 2011, ranked number 93.  The U.S. Census Bureau’s American Community Survey listed Keller as one of the “Nation’s Richest Cities” with a population over 20,000 in 2008, ranked number 59 with median household income of $114,542. Neighboring Southlake was ranked number 1.