Scappoose is located in Columbia county Oregon with a geographic area of 3.4 square miles. The total population in Scappoose is 7,436 with 50.9% male and 49.1% female. Children under age 5 represent 7.0% of the population, under age 18 equal 26.5% of the population and over age 65 is 17.6% of the population. The median household income is $79,375, per capita income is $35,997. There are a total of 2,701 housing units with 73.1% owner occupied. Education includes 21.7% of residents that are high school graduates and 28.5% with a bachelor's degree or higher. The average temperature in Scappoose in the summer is 67 degrees, and in the winter 35 degrees.