In 2022, the population of Nashua was 65, a 1.52% decrease year-by-year from 2021. Previously, in 2021, Nashua's population was 66, a decline of 1.49% compared to a population of 67 in 2020.
The median age in Nashua, MN is 14.4, as per 2021 ACS 5-Year Estimates. Of the total population, 57.81% were under the age of 15, 20.31% aged 15 to 29, 17.19% aged 30 to 64, 4.69% aged 65 to 84, and 0.00% were 85 years of age and older.