In 2022, the population of Flaxton was 61, a 1.61% decrease year-by-year from 2021. Previously, in 2021, Flaxton's population was 62, a decline of 1.59% compared to a population of 63 in 2020.
The median age in Flaxton, ND is 33.2, as per 2021 ACS 5-Year Estimates. Of the total population, 26.96% were under the age of 15, 22.61% aged 15 to 29, 42.61% aged 30 to 64, 7.83% aged 65 to 84, and 0.00% were 85 years of age and older.