The total population of Grainola is estimated to be 40 with 19 males (47.50%) and 21 females (52.50%). There are 2 more females than males in Grainola.
In 2022, the population of Grainola was 32, a 0.00% decrease year-by-year from 2021. Previously, in 2021, Grainola's population was 32, a decline of 0.00% compared to a population of 32 in 2020.
The median age in Grainola, OK is 37.5, as per 2021 ACS 5-Year Estimates. Of the total population, 31.82% were under the age of 15, 0.00% aged 15 to 29, 63.64% aged 30 to 64, 4.55% aged 65 to 84, and 0.00% were 85 years of age and older.