The total population of Big Flat is estimated to be 64 with 23 males (35.94%) and 41 females (64.06%). There are 18 more females than males in Big Flat.
In 2022, the population of Big Flat was 89, a 0.00% decrease year-by-year from 2021. Previously, in 2021, Big Flat's population was 89, an increase of 1.14% compared to a population of 88 in 2020.
The median age in Big Flat, AR is 20.7, as per 2021 ACS 5-Year Estimates. Of the total population, 16.67% were under the age of 15, 44.44% aged 15 to 29, 24.07% aged 30 to 64, 12.96% aged 65 to 84, and 1.85% were 85 years of age and older.