Herriman is located in Salt lake county Utah with a geographic area of 21.6 square miles. The total population in Herriman is 45,211 with 48.3% male and 51.7% female. Children under age 5 represent 10.6% of the population, under age 18 equal 39.2% of the population and over age 65 is 4.5% of the population. The median household income is $102,096, per capita income is $32,262. There are a total of 12,211 housing units with 85.0% owner occupied. Education includes 17.4% of residents that are high school graduates and 42.6% with a bachelor's degree or higher. The average temperature in Herriman in the summer is 75 degrees, and in the winter 30 degrees.