Arnold is located in Calaveras county California with a geographic area of 9.1 square miles. The total population in Arnold is 2,099 with 49.0% male and 51.0% female. Children under age 5 represent 1.2% of the population, under age 18 equal 6.5% of the population and over age 65 is 47.9% of the population. The median household income is $61,290, per capita income is $44,425. There are a total of 1,038 housing units with 87.5% owner occupied. Education includes 11.8% of residents that are high school graduates and 39.8% with a bachelor's degree or higher. The average temperature in Arnold in the summer is 76 degrees, and in the winter 43 degrees.
