McAdoo
- County:
- Barber County
- County Seat:
- No
- Area (mi²):
- 35.833
- State:
- Kansas
McAdoo is located in Barber County, Kansas. McAdoo has a 2025 population of 26 . McAdoo is currently declining at a rate of 0% annually and its population has decreased by -3.7% since the most recent census, which recorded a population of 27 in 2020.
The median age in McAdoo is 46.7 years: 0 years for males, and 0 years for females. For every 100 females there are 1500.0 males.