Crosby
- County:
- Divide County
- County Seat:
- No
- Area (mi²):
- 1.41
- State:
- North Dakota
Crosby is a city located in Divide County, North Dakota. Crosby has a 2026 population of 1,034. Crosby is currently declining at a rate of -1.05% annually and its population has decreased by -3.72% since the most recent census, which recorded a population of 1,074 in 2020.