O'Kean is a town located in Greene County, Arkansas. O'Kean has a 2026 population of 197. O'Kean is currently growing at a rate of 0.51% annually and its population has increased by 2.07% since the most recent census, which recorded a population of 193 in 2020.
The median age in O'Kean is 41.6 years: 45 years for males, and 29.9 years for females. For every 100 females there are 84.9 males.
Data after 2023 is projected based on recent change
Overall: 41.6 years
Female: 29.9 years
Male: 45 years
There are 163 adults, (42 of whom are seniors) in O'Kean.
Female: 106 (54.1%)
Male: 90 (45.9%)
The racial composition of O'Kean includes 91.33% White, 5.1% other race, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 179 | 91.33% |
| Other race | 10 | 5.1% |
| Two or more races | 7 | 3.57% |