Alger is located in Mountrail County, North Dakota. Alger has a 2025 population of 67 . Alger is currently declining at a rate of 0% annually and its population has decreased by -2.9% since the most recent census, which recorded a population of 69 in 2020.
The median age in Alger is 66.5 years: 0 years for males, and 0 years for females. For every 100 females there are 192.3 males.
Data after 2023 is projected based on recent change
The racial composition of Alger includes 100% White, and smaller percentages for and multiracial populations.
White (100%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 38 | 100% |
Married
Widowed
Divorced
Separated
Never Married