Mardela Springs is a city located in Maryland. With a 2020 population of 346, it is the 133rd largest city in Maryland and the 14793rd largest city in the United States. Mardela Springs is currently declining at a rate of -0.29% annually and its population has decreased by -0.29% since the most recent census, which recorded a population of 347 in 2010. Mardela Springs reached it's highest population of 350 in 2012. Spanning over 0 miles, Mardela Springs has a population density of 851 people per square mile.
The average household income in Mardela Springs is $75,673 with a poverty rate of 4.34%. The median rental costs in recent years comes to $1,172 per month, and the median house value is $160,900. The median age in Mardela Springs is 35.5 years, 29.9 years for males, and 38 years for females. For every 100 females there are 73.3 males.