In 2022, the population of Garvin was 120, a 0.83% decrease year-by-year from 2021. Previously, in 2021, Garvin's population was 121, an increase of 0.83% compared to a population of 120 in 2020.
The median age in Garvin, MN is 48.9, as per 2021 ACS 5-Year Estimates. Of the total population, 14.74% were under the age of 15, 16.84% aged 15 to 29, 45.26% aged 30 to 64, 23.16% aged 65 to 84, and 0.00% were 85 years of age and older.