Sunnyvale is located in Dallas county Texas with a geographic area of 16.5 square miles. The total population in Sunnyvale is 6,664 with 52.5% male and 47.5% female. Children under age 5 represent 3.6% of the population, under age 18 equal 24.5% of the population and over age 65 is 12.2% of the population. The median household income is $134,080, per capita income is $48,153. There are a total of 2,099 housing units with 86.3% owner occupied. Education includes 18.2% of residents that are high school graduates and 46.6% with a bachelor's degree or higher. The average temperature in Sunnyvale in the summer is 83 degrees, and in the winter 49 degrees.
