In 2022, the population of Beaver was 68, a 1.49% increase year-by-year from 2021. Previously, in 2021, Beaver's population was 67, a decline of 0.00% compared to a population of 67 in 2020.
The median age in Beaver, AR is 41.6, as per 2021 ACS 5-Year Estimates. Of the total population, 22.22% were under the age of 15, 15.74% aged 15 to 29, 45.37% aged 30 to 64, 15.74% aged 65 to 84, and 0.93% were 85 years of age and older.