Sigourney is located in Keokuk county Iowa with a geographic area of 2.2 square miles. The total population in Sigourney is 1,909 with 50.1% male and 49.9% female. Children under age 5 represent 3.6% of the population, under age 18 equal 16.7% of the population and over age 65 is 32.5% of the population. The median household income is $50,224, per capita income is $32,779. There are a total of 929 housing units with 68.6% owner occupied. Education includes 42.0% of residents that are high school graduates and 25.1% with a bachelor's degree or higher. The average temperature in Sigourney in the summer is 72 degrees, and in the winter 23 degrees.
