Sunnyside is located in Yakima county Washington with a geographic area of 7.5 square miles. The total population in Sunnyside is 16,703 with 50.3% male and 49.7% female. Children under age 5 represent 10.2% of the population, under age 18 equal 40.3% of the population and over age 65 is 10.0% of the population. The median household income is $40,766, per capita income is $15,307. There are a total of 4,550 housing units with 57.0% owner occupied. Education includes 19.5% of residents that are high school graduates and 9.2% with a bachelor's degree or higher. The average temperature in Sunnyside in the summer is 71 degrees, and in the winter 42 degrees.
