Allen is located in Maryland. Allen, Maryland has a population of 433. Allen is less family-centric than the surrounding county with 0% of the households containing married families with children. The county average for households married with children is 25.13%.
The median household income in Allen, Maryland is $118,537. The median household income for the surrounding county is $63,610 compared to the national median of $69,021. The median age of people living in Allen is 61.7 years.
The average high temperature in July is 87.9 degrees, with an average low temperature in January of 27.1 degrees. The average rainfall is approximately 45.5 inches per year, with 5.9 inches of snow per year.
