Shellsburg is located in Benton county Iowa with a geographic area of 0.8 square miles. The total population in Shellsburg is 806 with 47.9% male and 52.1% female. Children under age 5 represent 4.6% of the population, under age 18 equal 13.9% of the population and over age 65 is 21.3% of the population. The median household income is $69,000, per capita income is $29,356. There are a total of 334 housing units with 82.0% owner occupied. Education includes 40.4% of residents that are high school graduates and 16.8% with a bachelor's degree or higher. The average temperature in Shellsburg in the summer is 71 degrees, and in the winter 23 degrees.
