The total population of Barnard is estimated to be 212 with 94 males (44.34%) and 118 females (55.66%). There are 24 more females than males in Barnard.
In 2022, the population of Barnard was 195, a 2.01% decrease year-by-year from 2021. Previously, in 2021, Barnard's population was 199, a decline of 0.50% compared to a population of 200 in 2020.
The median age in Barnard, MO is 48.0, as per 2021 ACS 5-Year Estimates. Of the total population, 13.39% were under the age of 15, 20.47% aged 15 to 29, 40.16% aged 30 to 64, 25.59% aged 65 to 84, and 0.39% were 85 years of age and older.