Grenola
- County:
- Elk County
- County Seat:
- No
- Area (mi²):
- 0.465
- State:
- Kansas
Grenola is a city located in Elk County, Kansas. Grenola has a 2026 population of 149. Grenola is currently declining at a rate of -1.97% annually and its population has decreased by -0.67% since the most recent census, which recorded a population of 150 in 2020.