West Ontario
- County:
- Wells County
- County Seat:
- No
- Area (mi²):
- 35.397
- State:
- North Dakota
West Ontario is located in Wells County, North Dakota. West Ontario has a 2025 population of 36 . West Ontario is currently declining at a rate of -2.7% annually and its population has decreased by -7.69% since the most recent census, which recorded a population of 39 in 2020.
The median age in West Ontario is 31.5 years: 0 years for males, and 18.5 years for females. For every 100 females there are 70.0 males.