In 2022, the population of Effie was 108, a 0.00% decrease year-by-year from 2021. Previously, in 2021, Effie's population was 108, a decline of 0.92% compared to a population of 109 in 2020.
The median age in Effie, MN is 46.1, as per 2021 ACS 5-Year Estimates. Of the total population, 18.02% were under the age of 15, 14.41% aged 15 to 29, 48.65% aged 30 to 64, 18.92% aged 65 to 84, and 0.00% were 85 years of age and older.