Monrovia is located in Frederick county Maryland with a geographic area of 2.2 square miles. The total population in Monrovia is 1,556 with 56.6% male and 43.4% female. Children under age 5 represent 5.3% of the population, under age 18 equal 21.2% of the population and over age 65 is 14.4% of the population. The median household income is $151,786, per capita income is $59,286. There are a total of 442 housing units with 94.6% owner occupied. Education includes 2.0% of residents that are high school graduates and 68.6% with a bachelor's degree or higher. The average temperature in Monrovia in the summer is 74 degrees, and in the winter 37 degrees.
