Sergius
- County:
- Bottineau County
- County Seat:
- No
- Area (mi²):
- 47.757
- State:
- North Dakota
Sergius is located in Bottineau County, North Dakota. Sergius has a 2025 population of 52 . Sergius is currently growing at a rate of 1.96% annually and its population has decreased by 0% since the most recent census, which recorded a population of 52 in 2020.
The median age in Sergius is 20.2 years: 19.7 years for males, and 33.4 years for females. For every 100 females there are 105.9 males.