Joshua is located in Johnson county Texas with a geographic area of 9.1 square miles. The total population in Joshua is 7,818 with 46.9% male and 53.1% female. Children under age 5 represent 6.1% of the population, under age 18 equal 29.0% of the population and over age 65 is 12.8% of the population. The median household income is $57,883, per capita income is $28,347. There are a total of 2,928 housing units with 63.7% owner occupied. Education includes 23.7% of residents that are high school graduates and 18.8% with a bachelor's degree or higher. The average temperature in Joshua in the summer is 83 degrees, and in the winter 49 degrees.