In 2022, the population of Nassau was 68, a 0.00% decrease year-by-year from 2021. Previously, in 2021, Nassau's population was 68, a decline of 0.00% compared to a population of 68 in 2020.
The median age in Nassau, MN is 57.1, as per 2021 ACS 5-Year Estimates. Of the total population, 13.56% were under the age of 15, 6.78% aged 15 to 29, 52.54% aged 30 to 64, 20.34% aged 65 to 84, and 6.78% were 85 years of age and older.