Joshua tree is located in San bernardino county California with a geographic area of 36.1 square miles. The total population in Joshua tree is 7,786 with 45.8% male and 54.2% female. Children under age 5 represent 5.1% of the population, under age 18 equal 18.7% of the population and over age 65 is 17.6% of the population. The median household income is $42,263, per capita income is $23,627. There are a total of 2,947 housing units with 53.0% owner occupied. Education includes 18.0% of residents that are high school graduates and 21.2% with a bachelor's degree or higher. The average temperature in Joshua tree in the summer is 76 degrees, and in the winter 43 degrees.