Callahan is located in Renville County, North Dakota. Callahan has a 2025 population of 28 . Callahan is currently growing at a rate of 3.7% annually and its population has increased by 7.69% since the most recent census, which recorded a population of 26 in 2020.
Data after 2023 is projected based on recent change
The racial composition of Callahan includes 100% White, and smaller percentages for and multiracial populations.
White (100%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 6 | 100% |
Married
Widowed
Divorced
Separated
Never Married