The total population of Whiteside is estimated to be 107 with 76 males (71.03%) and 31 females (28.97%). There are 45 less females than males in Whiteside.
In 2022, the population of Whiteside was 60, a 1.69% increase year-by-year from 2021. Previously, in 2021, Whiteside's population was 59, an increase of 1.72% compared to a population of 58 in 2020.
The median age in Whiteside, MO is 34.4, as per 2021 ACS 5-Year Estimates. Of the total population, 17.24% were under the age of 15, 17.24% aged 15 to 29, 58.62% aged 30 to 64, 6.90% aged 65 to 84, and 0.00% were 85 years of age and older.