In 2022, the population of Ardoch was 32, a 3.23% increase year-by-year from 2021. Previously, in 2021, Ardoch's population was 31, a decline of 0.00% compared to a population of 31 in 2020.
The median age in Ardoch, ND is 53.8, as per 2021 ACS 5-Year Estimates. Of the total population, 5.26% were under the age of 15, 10.53% aged 15 to 29, 68.42% aged 30 to 64, 5.26% aged 65 to 84, and 10.53% were 85 years of age and older.