Montezuma is located in Poweshiek county Iowa with a geographic area of 2.5 square miles. The total population in Montezuma is 1,490 with 51.9% male and 48.1% female. Children under age 5 represent 8.2% of the population, under age 18 equal 23.0% of the population and over age 65 is 11.4% of the population. The median household income is $42,500, per capita income is $26,723. There are a total of 626 housing units with 50.5% owner occupied. Education includes 36.7% of residents that are high school graduates and 13.1% with a bachelor's degree or higher. The average temperature in Montezuma in the summer is 72 degrees, and in the winter 23 degrees.