Harlingen is located in Cameron county Texas with a geographic area of 40.1 square miles. The total population in Harlingen is 65,028 with 48.5% male and 51.5% female. Children under age 5 represent 8.0% of the population, under age 18 equal 31.6% of the population and over age 65 is 15.0% of the population. The median household income is $43,003, per capita income is $20,213. There are a total of 21,752 housing units with 56.7% owner occupied. Education includes 26.7% of residents that are high school graduates and 21.0% with a bachelor's degree or higher. The average temperature in Harlingen in the summer is 84 degrees, and in the winter 49 degrees.