In 2022, the population of Calvin was 13, a 0.00% decrease year-by-year from 2021. Previously, in 2021, Calvin's population was 13, a decline of 0.00% compared to a population of 13 in 2020.
The median age in Calvin, ND is 60.0, as per 2021 ACS 5-Year Estimates. Of the total population, 8.33% were under the age of 15, 16.67% aged 15 to 29, 33.33% aged 30 to 64, 41.67% aged 65 to 84, and 0.00% were 85 years of age and older.