Grainola
- County:
- Kay County
- County Seat:
- No
- Area (mi²):
- 0.241
- State:
- Oklahoma
Grainola is a town located in Kay County, Oklahoma. Grainola has a 2026 population of 33. Grainola is currently growing at a rate of 3.13% annually and its population has decreased by 0% since the most recent census, which recorded a population of 33 in 2020.
The median age in Grainola is 39 years: 38.3 years for males, and 39.3 years for females. For every 100 females there are 89.5 males.