In 2022, the population of Waldron was 9, a 0.00% decrease year-by-year from 2021. Previously, in 2021, Waldron's population was 9, a decline of 0.00% compared to a population of 9 in 2020.
The median age in Waldron, KS is 82.4, as per 2021 ACS 5-Year Estimates. Of the total population, 0.00% were under the age of 15, 0.00% aged 15 to 29, 36.36% aged 30 to 64, 36.36% aged 65 to 84, and 27.27% were 85 years of age and older.