In 2022, the population of Johnson was 25, a 0.00% decrease year-by-year from 2021. Previously, in 2021, Johnson's population was 25, a decline of 0.00% compared to a population of 25 in 2020.
The median age in Johnson, MN is 58.2, as per 2021 ACS 5-Year Estimates. Of the total population, 21.05% were under the age of 15, 0.00% aged 15 to 29, 68.42% aged 30 to 64, 10.53% aged 65 to 84, and 0.00% were 85 years of age and older.