Weslaco is located in Hidalgo county Texas with a geographic area of 16.4 square miles. The total population in Weslaco is 41,103 with 48.6% male and 51.4% female. Children under age 5 represent 8.8% of the population, under age 18 equal 32.3% of the population and over age 65 is 12.3% of the population. The median household income is $47,094, per capita income is $20,548. There are a total of 12,671 housing units with 60.3% owner occupied. Education includes 22.4% of residents that are high school graduates and 24.6% with a bachelor's degree or higher. The average temperature in Weslaco in the summer is 84 degrees, and in the winter 49 degrees.