
Sibley
- County:
- Barnes County
- County Seat:
- No
- Area (mi²):
- 0.045
- State:
- North Dakota
Sibley is a city located in Barnes County, North Dakota. Sibley has a 2025 population of 19. Sibley is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 19 in 2020.
The average household income in Sibley is $57,760 with a poverty rate of 0%. The median age in Sibley is 63.6 years: 63.4 years for males, and 64.3 years for females.