Adamstown is located in Frederick county Maryland with a geographic area of 1.1 square miles. The total population in Adamstown is 2,130 with 49.0% male and 51.0% female. Children under age 5 represent 3.9% of the population, under age 18 equal 26.3% of the population and over age 65 is 7.5% of the population. The median household income is $167,857, per capita income is $54,348. There are a total of 678 housing units with 94.8% owner occupied. Education includes 15.2% of residents that are high school graduates and 66.4% with a bachelor's degree or higher. The average temperature in Adamstown in the summer is 74 degrees, and in the winter 37 degrees.