Denison is located in Grayson county Texas with a geographic area of 28.6 square miles. The total population in Denison is 24,851 with 48.3% male and 51.7% female. Children under age 5 represent 8.2% of the population, under age 18 equal 25.4% of the population and over age 65 is 18.5% of the population. The median household income is $50,701, per capita income is $25,816. There are a total of 9,361 housing units with 60.1% owner occupied. Education includes 29.9% of residents that are high school graduates and 17.2% with a bachelor's degree or higher. The average temperature in Denison in the summer is 81 degrees, and in the winter 49 degrees.
