Grainola is a town located in Kay County, Oklahoma. Grainola has a 2026 population of 33. Grainola is currently declining at a rate of 0% 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.
Data after 2023 is projected based on recent change
Overall: 39 years
Female: 39.3 years
Male: 38.3 years
There are 20 adults, (5 of whom are seniors) in Grainola.
Female: 19 (52.8%)
Male: 17 (47.2%)
The racial composition of Grainola includes 100% White, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 36 | 100% |