Alsen is a city located in North Dakota. With a 2020 population of 31, it is the 313th largest city in North Dakota and the 19296th largest city in the United States. Alsen is currently declining at a rate of -3.13% annually and its population has decreased by -11.43% since the most recent census, which recorded a population of 35 in 2010. Alsen reached it's highest population of 35 in 2010. Spanning over 30 miles, Alsen has a population density of 1 people per square mile.
The average household income in Alsen is $78,309 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 Alsen is 31.3 years, 31.4 years for males, and 1.8 years for females. For every 100 females there are 246.7 males.