Callaway is located in Maryland. Callaway, Maryland 20620 has a population of 1,441. Callaway 20620 is less family-centric than the surrounding county with 32% households with children. The county percentage for households with children is 33%.
The median household income in Callaway, Maryland 20620 is $114,544. The median household income for the surrounding county is $91,265 compared to the national median of $61,963. The median age of people living in Callaway 20620 is 42.2 years.
The average high temperature in July is 86.1 degrees, with an average low temperature in January of 28.3 degrees. The annual precipitation is 43.69.