Reilly
- County:
- Nemaha County
- County Seat:
- No
- Area (mi²):
- 35.988
- State:
- Kansas
Reilly is located in Nemaha County, Kansas. Reilly has a 2025 population of 91 . Reilly is currently declining at a rate of -1.09% annually and its population has decreased by -3.19% since the most recent census, which recorded a population of 94 in 2020.
The median age in Reilly is 59.1 years: 59.2 years for males, and 31.7 years for females. For every 100 females there are 191.4 males.