Yacolt is located in Clark county Washington with a geographic area of 0.6 square miles. The total population in Yacolt is 1,686 with 53.3% male and 46.7% female. Children under age 5 represent 15.5% of the population, under age 18 equal 29.2% of the population and over age 65 is 12.3% of the population. The median household income is $68,958, per capita income is $27,736. There are a total of 544 housing units with 91.7% owner occupied. Education includes 34.9% of residents that are high school graduates and 11.0% with a bachelor's degree or higher. The average temperature in Yacolt in the summer is 60 degrees, and in the winter 42 degrees.