Adelphi is located in Maryland. Adelphi, Maryland has a population of 15,898. Adelphi is less family-centric than the surrounding county with 26.87% of the households containing married families with children. The county average for households married with children is 27.14%.
The median household income in Adelphi, Maryland is $68,064. The median household income for the surrounding county is $78,607 compared to the national median of $57,652. The median age of people living in Adelphi is 33.9 years.
The average high temperature in July is 88.1 degrees, with an average low temperature in January of 25 degrees. The average rainfall is approximately 43.6 inches per year, with 13.7 inches of snow per year.
