Arbuckle is located in Colusa county California with a geographic area of 1.8 square miles. The total population in Arbuckle is 3,368 with 51.6% male and 48.4% female. Children under age 5 represent 10.5% of the population, under age 18 equal 27.3% of the population and over age 65 is 6.8% of the population. The median household income is $70,661, per capita income is $21,486. There are a total of 797 housing units with 65.9% owner occupied. Education includes 9.9% of residents that are high school graduates and 11.9% with a bachelor's degree or higher. The average temperature in Arbuckle in the summer is 76 degrees, and in the winter 43 degrees.