Prineville is located in Crook county Oregon with a geographic area of 12.8 square miles. The total population in Prineville is 10,429 with 47.2% male and 52.8% female. Children under age 5 represent 6.7% of the population, under age 18 equal 22.8% of the population and over age 65 is 20.0% of the population. The median household income is $42,298, per capita income is $24,659. There are a total of 4,456 housing units with 55.1% owner occupied. Education includes 26.6% of residents that are high school graduates and 18.1% with a bachelor's degree or higher. The average temperature in Prineville in the summer is 62 degrees, and in the winter 35 degrees.