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About Griswold
Griswold is located in Cass county Iowa with a geographic area of 0.6 square miles. The total population in Griswold is 1,179 with 47.7% male and 52.3% female. Children under age 5 represent 5.3% of the population, under age 18 equal 28.8% of the population and over age 65 is 21.2% of the population. The median household income is $56,250, per capita income is $25,161. There are a total of 490 housing units with 77.1% owner occupied. Education includes 33.1% of residents that are high school graduates and 22.0% with a bachelor's degree or higher. The average temperature in Griswold in the summer is 73 degrees, and in the winter 23 degrees.