Little Elm is a city in Denton County, Texas, United States, and a part of the Dallas-Fort Worth Metroplex. It is an extended suburb of Dallas. The population was 3,646 at the 2000 census. By the 2010 census, the city total had jumped to 25,898, making Little Elm one of the fastest growing municipalities in Texas since 2000 in terms of percentage. As of 2019 the current estimated population of Little Elm is 53,126.
Little Elm is generally located along the northern and eastern shores of Lewisville Lake at the cross roads of Eldorado Parkway and FM 423 and includes stretches of U.S. Highway 380. Its neighbors include Frisco to the east, The Colony and Hackberry to the south, Prosper, Aubrey, and Providence to the north, and Oak Point, Cross Roads, and Lakewood Village to the west.
Little Elm is located at 33°9′50″N 96°55′49″W (33.163955, -96.930281). According to the U.S. Census Bureau, it has a total area of 18.6 square miles (48.3 km2), of which 14.6 square miles (37.7 km2) is land and 4.1 square miles (10.5 km2), or 21.83%, is water. Little Elm has an average elevation of 545 feet above sea level.