North plains is located in Washington county Oregon with a geographic area of 1.1 square miles. The total population in North plains is 2,706 with 52.4% male and 47.6% female. Children under age 5 represent 5.1% of the population, under age 18 equal 17.4% of the population and over age 65 is 14.9% of the population. The median household income is $95,875, per capita income is $41,299. There are a total of 1,006 housing units with 79.8% owner occupied. Education includes 17.8% of residents that are high school graduates and 37.5% with a bachelor's degree or higher. The average temperature in North plains in the summer is 66 degrees, and in the winter 35 degrees.
