Grundy center is located in Grundy county Iowa with a geographic area of 2.6 square miles. The total population in Grundy center is 2,671 with 47.5% male and 52.5% female. Children under age 5 represent 4.4% of the population, under age 18 equal 26.0% of the population and over age 65 is 22.6% of the population. The median household income is $69,432, per capita income is $31,910. There are a total of 1,088 housing units with 81.6% owner occupied. Education includes 37.5% of residents that are high school graduates and 28.4% with a bachelor's degree or higher. The average temperature in Grundy center in the summer is 71 degrees, and in the winter 23 degrees.
