Lake dallas is located in Denton county Texas with a geographic area of 2.4 square miles. The total population in Lake dallas is 8,004 with 47.7% male and 52.3% female. Children under age 5 represent 4.3% of the population, under age 18 equal 25.8% of the population and over age 65 is 8.0% of the population. The median household income is $64,805, per capita income is $30,213. There are a total of 2,950 housing units with 64.7% owner occupied. Education includes 31.3% of residents that are high school graduates and 29.1% with a bachelor's degree or higher. The average temperature in Lake dallas in the summer is 83 degrees, and in the winter 49 degrees.