Rockwell is located in Cerro gordo county Iowa with a geographic area of 4.2 square miles. The total population in Rockwell is 2,166 with 59.0% male and 41.0% female. Children under age 5 represent 2.7% of the population, under age 18 equal 16.5% of the population and over age 65 is 20.4% of the population. The median household income is $36,970, per capita income is $19,624. There are a total of 754 housing units with 70.8% owner occupied. Education includes 41.1% of residents that are high school graduates and 15.3% with a bachelor's degree or higher. The average temperature in Rockwell in the summer is 70 degrees, and in the winter 23 degrees.