National Harbor is located in Maryland. National Harbor, Maryland has a population of 3,799. National Harbor is more family-centric than the surrounding county with 31.43% of the households containing married families with children. The county average for households married with children is 27.14%.
The median household income in National Harbor, Maryland is $77,630. 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 National Harbor is 43.9 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.