Altoona is located in Polk county Iowa with a geographic area of 11.7 square miles. The total population in Altoona is 18,917 with 47.3% male and 52.7% female. Children under age 5 represent 6.2% of the population, under age 18 equal 27.6% of the population and over age 65 is 14.0% of the population. The median household income is $79,482, per capita income is $34,066. There are a total of 6,815 housing units with 68.6% owner occupied. Education includes 32.9% of residents that are high school graduates and 33.9% with a bachelor's degree or higher. The average temperature in Altoona in the summer is 72 degrees, and in the winter 23 degrees.
