In 2022, the population of Regan was 34, a 2.86% decrease year-by-year from 2021. Previously, in 2021, Regan's population was 35, a decline of 0.00% compared to a population of 35 in 2020.
The median age in Regan, ND is 22.4, as per 2021 ACS 5-Year Estimates. Of the total population, 38.38% were under the age of 15, 40.40% aged 15 to 29, 14.14% aged 30 to 64, 7.07% aged 65 to 84, and 0.00% were 85 years of age and older.