Sachse is located in Dallas county Texas with a geographic area of 9.8 square miles. The total population in Sachse is 25,888 with 46.7% male and 53.3% female. Children under age 5 represent 6.5% of the population, under age 18 equal 22.3% of the population and over age 65 is 12.7% of the population. The median household income is $109,098, per capita income is $45,043. There are a total of 8,736 housing units with 88.9% owner occupied. Education includes 12.2% of residents that are high school graduates and 45.2% with a bachelor's degree or higher. The average temperature in Sachse in the summer is 83 degrees, and in the winter 49 degrees.