Roy is located in Weber county Utah with a geographic area of 8.1 square miles. The total population in Roy is 39,243 with 51.5% male and 48.5% female. Children under age 5 represent 8.4% of the population, under age 18 equal 28.9% of the population and over age 65 is 10.9% of the population. The median household income is $72,739, per capita income is $26,668. There are a total of 12,767 housing units with 84.1% owner occupied. Education includes 32.4% of residents that are high school graduates and 20.2% with a bachelor's degree or higher. The average temperature in Roy in the summer is 71 degrees, and in the winter 30 degrees.
