Armstrong is located in Emmet county Iowa with a geographic area of 0.9 square miles. The total population in Armstrong is 846 with 50.8% male and 49.2% female. Children under age 5 represent 4.8% of the population, under age 18 equal 21.2% of the population and over age 65 is 38.4% of the population. The median household income is $44,833, per capita income is $25,934. There are a total of 436 housing units with 81.7% owner occupied. Education includes 34.4% of residents that are high school graduates and 11.5% with a bachelor's degree or higher. The average temperature in Armstrong in the summer is 70 degrees, and in the winter 23 degrees.
