Santa clara is located in Washington county Utah with a geographic area of 6.1 square miles. The total population in Santa clara is 7,868 with 49.3% male and 50.7% female. Children under age 5 represent 5.7% of the population, under age 18 equal 29.5% of the population and over age 65 is 16.6% of the population. The median household income is $74,531, per capita income is $30,021. There are a total of 2,407 housing units with 75.4% owner occupied. Education includes 19.0% of residents that are high school graduates and 37.3% with a bachelor's degree or higher. The average temperature in Santa clara in the summer is 84 degrees, and in the winter 30 degrees.