Riverdale is located in Weber county Utah with a geographic area of 4.6 square miles. The total population in Riverdale is 8,826 with 49.2% male and 50.8% female. Children under age 5 represent 7.8% of the population, under age 18 equal 26.5% of the population and over age 65 is 14.3% of the population. The median household income is $54,723, per capita income is $26,471. There are a total of 3,291 housing units with 74.8% owner occupied. Education includes 31.9% of residents that are high school graduates and 19.8% with a bachelor's degree or higher. The average temperature in Riverdale in the summer is 70 degrees, and in the winter 30 degrees.