Yelm is located in Thurston county Washington with a geographic area of 5.7 square miles. The total population in Yelm is 9,262 with 49.0% male and 51.0% female. Children under age 5 represent 12.1% of the population, under age 18 equal 32.5% of the population and over age 65 is 7.4% of the population. The median household income is $77,297, per capita income is $25,658. There are a total of 2,900 housing units with 62.2% owner occupied. Education includes 25.7% of residents that are high school graduates and 19.7% with a bachelor's degree or higher. The average temperature in Yelm in the summer is 61 degrees, and in the winter 42 degrees.
