Princeville is located in Peoria county Illinois with a geographic area of 1.7 square miles. The total population in Princeville is 1,684 with 46.3% male and 53.7% female. Children under age 5 represent 5.7% of the population, under age 18 equal 28.4% of the population and over age 65 is 21.4% of the population. The median household income is $58,542, per capita income is $25,766. There are a total of 630 housing units with 77.0% owner occupied. Education includes 30.6% of residents that are high school graduates and 22.9% with a bachelor's degree or higher. The average temperature in Princeville in the summer is 74 degrees, and in the winter 27 degrees.