Missouri valley is located in Harrison county Iowa with a geographic area of 3.4 square miles. The total population in Missouri valley is 2,610 with 44.5% male and 55.5% female. Children under age 5 represent 5.9% of the population, under age 18 equal 24.1% of the population and over age 65 is 19.5% of the population. The median household income is $52,960, per capita income is $25,947. There are a total of 1,191 housing units with 56.4% owner occupied. Education includes 41.5% of residents that are high school graduates and 13.9% with a bachelor's degree or higher. The average temperature in Missouri valley in the summer is 73 degrees, and in the winter 23 degrees.
