In 2022, the population of Hanna was 105, a 2.94% increase year-by-year from 2021. Previously, in 2021, Hanna's population was 102, an increase of 0.99% compared to a population of 101 in 2020.
The median age in Hanna, OK is 30.5, as per 2021 ACS 5-Year Estimates. Of the total population, 25.00% were under the age of 15, 22.22% aged 15 to 29, 42.59% aged 30 to 64, 9.26% aged 65 to 84, and 0.93% were 85 years of age and older.