
Glen Ullin
- County:
- Morton County
- County Seat:
- No
- Area (mi²):
- 1.018
- State:
- North Dakota
Glen Ullin is a city located in Morton County, North Dakota. Glen Ullin has a 2025 population of 719. Glen Ullin is currently declining at a rate of -0.42% annually and its population has decreased by -1.91% since the most recent census, which recorded a population of 733 in 2020.
The average household income in Glen Ullin is $61,428 with a poverty rate of 10.35%. The median age in Glen Ullin is 55.5 years: 47.5 years for males, and 64.1 years for females.