Jarrettsville is located in Maryland. Jarrettsville, Maryland 21084has a population of 3,140. Jarrettsville 21084 is less family-centric than the surrounding county with 28% households with children. The county percentage for households with children is 30%.
The median household income in Jarrettsville, Maryland 21084 is $120,797. The median household income for the surrounding county is $90,554 compared to the national median of $66,222. The median age of people living in Jarrettsville 21084 is 47.4 years.
The average high temperature in July is 88.5 degrees, with an average low temperature in January of 23 degrees. The annual precipitation is 48.76.