Peaceful Valley
- County:
- Slope County
- County Seat:
- No
- Area (mi²):
- 36.871
- State:
- North Dakota
Peaceful Valley is located in Slope County, North Dakota. Peaceful Valley has a 2025 population of 20 . Peaceful Valley is currently declining at a rate of 0% annually and its population has decreased by -4.76% since the most recent census, which recorded a population of 21 in 2020.
The median age in Peaceful Valley is 74.3 years: 0 years for males, and 0 years for females. For every 100 females there are 90.9 males.