Pleasant hill is located in Polk county Iowa with a geographic area of 10.4 square miles. The total population in Pleasant hill is 9,959 with 45.0% male and 55.0% female. Children under age 5 represent 8.9% of the population, under age 18 equal 29.4% of the population and over age 65 is 17.1% of the population. The median household income is $74,612, per capita income is $33,893. There are a total of 3,722 housing units with 72.6% owner occupied. Education includes 30.3% of residents that are high school graduates and 34.2% with a bachelor's degree or higher. The average temperature in Pleasant hill in the summer is 72 degrees, and in the winter 23 degrees.