Seagoville is located in Dallas county Texas with a geographic area of 18.8 square miles. The total population in Seagoville is 16,726 with 56.1% male and 43.9% female. Children under age 5 represent 9.3% of the population, under age 18 equal 31.5% of the population and over age 65 is 11.3% of the population. The median household income is $62,038, per capita income is $19,785. There are a total of 4,283 housing units with 73.3% owner occupied. Education includes 36.0% of residents that are high school graduates and 11.3% with a bachelor's degree or higher. The average temperature in Seagoville in the summer is 83 degrees, and in the winter 49 degrees.
