Peosta is located in Dubuque county Iowa with a geographic area of 2.5 square miles. The total population in Peosta is 1,964 with 52.9% male and 47.1% female. Children under age 5 represent 6.6% of the population, under age 18 equal 37.3% of the population and over age 65 is 7.0% of the population. The median household income is $95,417, per capita income is $32,630. There are a total of 649 housing units with 81.5% owner occupied. Education includes 19.3% of residents that are high school graduates and 45.6% with a bachelor's degree or higher. The average temperature in Peosta in the summer is 70 degrees, and in the winter 23 degrees.
