Corsicana is located in Navarro county Texas with a geographic area of 23.0 square miles. The total population in Corsicana is 23,736 with 49.6% male and 50.4% female. Children under age 5 represent 9.6% of the population, under age 18 equal 28.9% of the population and over age 65 is 15.4% of the population. The median household income is $41,898, per capita income is $20,881. There are a total of 8,051 housing units with 58.6% owner occupied. Education includes 25.9% of residents that are high school graduates and 16.3% with a bachelor's degree or higher. The average temperature in Corsicana in the summer is 82 degrees, and in the winter 49 degrees.