Arnold is located in Anne arundel county Maryland with a geographic area of 10.8 square miles. The total population in Arnold is 24,334 with 46.8% male and 53.2% female. Children under age 5 represent 6.4% of the population, under age 18 equal 27.5% of the population and over age 65 is 14.3% of the population. The median household income is $119,504, per capita income is $50,786. There are a total of 8,528 housing units with 85.2% owner occupied. Education includes 10.1% of residents that are high school graduates and 63.0% with a bachelor's degree or higher. The average temperature in Arnold in the summer is 74 degrees, and in the winter 37 degrees.
