Rock rapids is located in Lyon county Iowa with a geographic area of 4.2 square miles. The total population in Rock rapids is 2,555 with 52.1% male and 47.9% female. Children under age 5 represent 4.9% of the population, under age 18 equal 28.9% of the population and over age 65 is 20.0% of the population. The median household income is $61,739, per capita income is $29,812. There are a total of 996 housing units with 82.0% owner occupied. Education includes 35.9% of residents that are high school graduates and 22.1% with a bachelor's degree or higher. The average temperature in Rock rapids in the summer is 71 degrees, and in the winter 23 degrees.
