The dalles is located in Wasco county Oregon with a geographic area of 6.7 square miles. The total population in The dalles is 15,518 with 47.4% male and 52.6% female. Children under age 5 represent 6.1% of the population, under age 18 equal 23.8% of the population and over age 65 is 19.2% of the population. The median household income is $53,457, per capita income is $30,594. There are a total of 6,174 housing units with 60.4% owner occupied. Education includes 27.6% of residents that are high school graduates and 22.0% with a bachelor's degree or higher. The average temperature in The dalles in the summer is 71 degrees, and in the winter 35 degrees.