Monrovia is located in Maryland. Monrovia, Maryland 21770 has a population of 1,501. Monrovia 21770 is less family-centric than the surrounding county with 33% households with children. The county percentage for households with children is 33%.
The median household income in Monrovia, Maryland 21770 is $116,748. The median household income for the surrounding county is $91,926 compared to the national median of $61,963. The median age of people living in Monrovia 21770 is 50.1 years.
The average high temperature in July is 86.1 degrees, with an average low temperature in January of 23.18 degrees. The annual precipitation is 43.04.