National is a city located in Maryland. National has a 2020 population of 125. National is currently declining at a rate of 0.00% annually and its population has increased by since the most recent census, which recorded a population of in 2010. National reached it's highest population of 125 in 2018.
The average household income in National is $91,571 with a poverty rate of 0.00%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in National is 29.2 years, 10 years for males, and 41.4 years for females. For every 100 females there are 237.8 males.