Sheridan is located in Sheridan county Wyoming with a geographic area of 12.7 square miles. The total population in Sheridan is 17,938 with 49.3% male and 50.7% female. Children under age 5 represent 5.7% of the population, under age 18 equal 22.0% of the population and over age 65 is 20.9% of the population. The median household income is $52,167, per capita income is $32,072. There are a total of 8,127 housing units with 59.8% owner occupied. Education includes 24.9% of residents that are high school graduates and 32.3% with a bachelor's degree or higher. The average temperature in Sheridan in the summer is 66 degrees, and in the winter 16 degrees.