Rohnert park is located in Sonoma county California with a geographic area of 7.3 square miles. The total population in Rohnert park is 42,559 with 48.2% male and 51.8% female. Children under age 5 represent 6.8% of the population, under age 18 equal 19.2% of the population and over age 65 is 12.6% of the population. The median household income is $77,831, per capita income is $38,368. There are a total of 16,315 housing units with 50.7% owner occupied. Education includes 19.9% of residents that are high school graduates and 34.1% with a bachelor's degree or higher. The average temperature in Rohnert park in the summer is 67 degrees, and in the winter 43 degrees.