The total population of Grenora is estimated to be 329 with 207 males (62.92%) and 122 females (37.08%). There are 85 less females than males in Grenora.
In 2022, the population of Grenora was 209, a 0.48% decrease year-by-year from 2021. Previously, in 2021, Grenora's population was 210, a decline of 6.67% compared to a population of 225 in 2020.
The median age in Grenora, ND is 42.5, as per 2021 ACS 5-Year Estimates. Of the total population, 26.09% were under the age of 15, 14.95% aged 15 to 29, 48.10% aged 30 to 64, 10.87% aged 65 to 84, and 0.00% were 85 years of age and older.