Thermopolis is located in Hot springs county Wyoming with a geographic area of 2.4 square miles. The total population in Thermopolis is 2,747 with 51.8% male and 48.2% female. Children under age 5 represent 6.7% of the population, under age 18 equal 21.4% of the population and over age 65 is 27.8% of the population. The median household income is $62,228, per capita income is $32,338. There are a total of 1,301 housing units with 75.9% owner occupied. Education includes 26.2% of residents that are high school graduates and 22.1% with a bachelor's degree or higher. The average temperature in Thermopolis in the summer is 59 degrees, and in the winter 16 degrees.