
Alsen
- County:
- Cavalier County
- County Seat:
- No
- Area (mi²):
- 29.355
- State:
- North Dakota
Alsen is a city located in Cavalier County, North Dakota. Alsen has a 2025 population of 31. Alsen is currently declining at a rate of 0% annually and its population has decreased by -6.06% since the most recent census, which recorded a population of 33 in 2020.
The average household income in Alsen is $78,692 with a poverty rate of 0%. The median age in Alsen is 61.1 years: 59.5 years for males, and 61.3 years for females.