In 2022, the population of Oak Hill was 24, a 0.00% decrease year-by-year from 2021. Previously, in 2021, Oak Hill's population was 24, a decline of 0.00% compared to a population of 24 in 2020.
The median age in Oak Hill, KS is 51.5, as per 2021 ACS 5-Year Estimates. Of the total population, 0.00% were under the age of 15, 5.56% aged 15 to 29, 88.89% aged 30 to 64, 5.56% aged 65 to 84, and 0.00% were 85 years of age and older.