Cathay
- County:
- Wells County
- County Seat:
- No
- Area (mi²):
- 0.184
- State:
- North Dakota
Cathay is a city located in Wells County, North Dakota. Cathay has a 2026 population of 19. Cathay is currently declining at a rate of 0% annually and its population has decreased by -5% since the most recent census, which recorded a population of 20 in 2020.
The median age in Cathay is 36.5 years: 46.5 years for males, and 32.5 years for females. For every 100 females there are 30.8 males.