Superior is located in Boulder county Colorado with a geographic area of 3.9 square miles. The total population in Superior is 13,292 with 49.1% male and 50.9% female. Children under age 5 represent 5.6% of the population, under age 18 equal 29.2% of the population and over age 65 is 7.4% of the population. The median household income is $126,600, per capita income is $50,932. There are a total of 4,424 housing units with 61.5% owner occupied. Education includes 2.9% of residents that are high school graduates and 82.8% with a bachelor's degree or higher. The average temperature in Superior in the summer is 68 degrees, and in the winter 29 degrees.