Lake Dallas is a town in Denton County, Texas, United States. It is located in North Texas, northwest of the city of Dallas, on the shores of Lewisville Lake.
The population was 7,105 at the 2010 census.
Lake Dallas is located at 33°7′42″N 97°1′39″W (33.128297, -97.027592).
According to the United States Census Bureau, the city has a total area of 2.7 square miles (7.0 km2), of which 2.4 square miles (6.2 km2) is land and 0.31 square miles (0.8 km2), or 11.03%, is water.
As of the census of 2000, there were 6,166 people, 2,261 households, and 1,666 families residing in the city. The population density was 2,693.5 people per square mile (1,039.6/km2). There were 2,338 housing units at an average density of 1,021.3 per square mile (394.2/km2). The racial makeup of the city was 89.51% White, 3.32% African American, 0.63% Native American, 0.94% Asian, 0.02% Pacific Islander, 3.84% from other races, and 1.74% from two or more races. Hispanic or Latino of any race were 9.83% of the population.
There were 2,261 households, out of which 43.4% had children under the age of 18 living with them, 56.9% were married couples living together, 12.3% had a female householder with no husband present, and 26.3% were non-families. 20.4% of all households were made up of individuals, and 5.4% had someone living alone who was 65 years of age or older. The average household size was 2.72 and the average family size was 3.17.