Roy is located in Pierce county Washington with a geographic area of 0.5 square miles. The total population in Roy is 814 with 51.4% male and 48.6% female. Children under age 5 represent 7.6% of the population, under age 18 equal 25.2% of the population and over age 65 is 12.8% of the population. The median household income is $63,409, per capita income is $30,786. There are a total of 318 housing units with 72.0% owner occupied. Education includes 21.7% of residents that are high school graduates and 13.8% with a bachelor's degree or higher. The average temperature in Roy in the summer is 62 degrees, and in the winter 42 degrees.