Carnation is located in King county Washington with a geographic area of 1.2 square miles. The total population in Carnation is 2,165 with 45.5% male and 54.5% female. Children under age 5 represent 5.4% of the population, under age 18 equal 22.6% of the population and over age 65 is 11.6% of the population. The median household income is $112,647, per capita income is $45,733. There are a total of 782 housing units with 84.9% owner occupied. Education includes 13.6% of residents that are high school graduates and 45.7% with a bachelor's degree or higher. The average temperature in Carnation in the summer is 62 degrees, and in the winter 42 degrees.