Tenino is located in Thurston county Washington with a geographic area of 1.5 square miles. The total population in Tenino is 1,744 with 42.9% male and 57.1% female. Children under age 5 represent 9.7% of the population, under age 18 equal 25.0% of the population and over age 65 is 13.3% of the population. The median household income is $49,167, per capita income is $24,582. There are a total of 706 housing units with 53.3% owner occupied. Education includes 34.4% of residents that are high school graduates and 15.2% with a bachelor's degree or higher. The average temperature in Tenino in the summer is 61 degrees, and in the winter 42 degrees.