North liberty is located in Johnson county Iowa with a geographic area of 9.1 square miles. The total population in North liberty is 19,159 with 47.2% male and 52.8% female. Children under age 5 represent 11.0% of the population, under age 18 equal 32.5% of the population and over age 65 is 6.0% of the population. The median household income is $85,435, per capita income is $36,664. There are a total of 7,011 housing units with 70.8% owner occupied. Education includes 11.4% of residents that are high school graduates and 55.8% with a bachelor's degree or higher. The average temperature in North liberty in the summer is 75 degrees, and in the winter 23 degrees.
