Twin Valley
- County:
- McKenzie County
- County Seat:
- No
- Area (mi²):
- 79.148
- State:
- North Dakota
Twin Valley is located in McKenzie County, North Dakota. Twin Valley has a 2025 population of 271 . Twin Valley is currently growing at a rate of 3.83% annually and its population has increased by 1.88% since the most recent census, which recorded a population of 266 in 2020.
The median age in Twin Valley is 43.3 years: 43.6 years for males, and 15.8 years for females. For every 100 females there are 57.7 males.