Calmar is located in Winneshiek county Iowa with a geographic area of 1.1 square miles. The total population in Calmar is 989 with 51.4% male and 48.6% female. Children under age 5 represent 6.8% of the population, under age 18 equal 28.5% of the population and over age 65 is 8.3% of the population. The median household income is $59,844, per capita income is $27,092. There are a total of 418 housing units with 72.0% owner occupied. Education includes 33.3% of residents that are high school graduates and 21.3% with a bachelor's degree or higher. The average temperature in Calmar in the summer is 71 degrees, and in the winter 23 degrees.
