Gillette is located in Campbell county Wyoming with a geographic area of 23.1 square miles. The total population in Gillette is 32,513 with 51.4% male and 48.6% female. Children under age 5 represent 8.8% of the population, under age 18 equal 30.6% of the population and over age 65 is 9.0% of the population. The median household income is $73,867, per capita income is $31,136. There are a total of 11,936 housing units with 71.8% owner occupied. Education includes 34.1% of residents that are high school graduates and 18.1% with a bachelor's degree or higher. The average temperature in Gillette in the summer is 67 degrees, and in the winter 16 degrees.
