Jefferson is located in Maryland. Jefferson, Maryland 21755 has a population of 2,642. Jefferson 21755 is less family-centric than the surrounding county with 29% households with children. The county percentage for households with children is 33%.
The median household income in Jefferson, Maryland 21755 is $111,108. The median household income for the surrounding county is $100,074 compared to the national median of $66,222. The median age of people living in Jefferson 21755 is 43.5 years.
The average high temperature in July is 88.9 degrees, with an average low temperature in January of 25.1 degrees. The annual precipitation is 40.64.