Randallstown is located in Baltimore county Maryland with a geographic area of 10.2 square miles. The total population in Randallstown is 35,661 with 45.0% male and 55.0% female. Children under age 5 represent 4.2% of the population, under age 18 equal 19.3% of the population and over age 65 is 19.7% of the population. The median household income is $79,842, per capita income is $36,078. There are a total of 12,970 housing units with 74.3% owner occupied. Education includes 19.9% of residents that are high school graduates and 42.8% with a bachelor's degree or higher. The average temperature in Randallstown in the summer is 74 degrees, and in the winter 37 degrees.