In 2022, the population of Oaks was 126, a 0.79% decrease year-by-year from 2021. Previously, in 2021, Oaks's population was 127, a decline of 0.00% compared to a population of 127 in 2020.
The median age in Oaks, MO is 44.5, as per 2021 ACS 5-Year Estimates. Of the total population, 18.87% were under the age of 15, 11.32% aged 15 to 29, 55.97% aged 30 to 64, 12.58% aged 65 to 84, and 1.26% were 85 years of age and older.