Star is located in Ada county Idaho with a geographic area of 7.7 square miles. The total population in Star is 9,819 with 52.2% male and 47.8% female. Children under age 5 represent 7.3% of the population, under age 18 equal 25.2% of the population and over age 65 is 18.6% of the population. The median household income is $71,759, per capita income is $32,497. There are a total of 3,459 housing units with 79.6% owner occupied. Education includes 25.9% of residents that are high school graduates and 30.3% with a bachelor's degree or higher. The average temperature in Star in the summer is 71 degrees, and in the winter 24 degrees.