San juan is located in Hidalgo county Texas with a geographic area of 11.6 square miles. The total population in San juan is 36,759 with 48.1% male and 51.9% female. Children under age 5 represent 9.7% of the population, under age 18 equal 32.6% of the population and over age 65 is 11.3% of the population. The median household income is $45,263, per capita income is $15,566. There are a total of 9,875 housing units with 78.0% owner occupied. Education includes 23.0% of residents that are high school graduates and 14.5% with a bachelor's degree or higher. The average temperature in San juan in the summer is 86 degrees, and in the winter 49 degrees.
