In 2022, the population of Halma was 57, a 1.72% decrease year-by-year from 2021. Previously, in 2021, Halma's population was 58, a decline of 1.69% compared to a population of 59 in 2020.
The median age in Halma, MN is 44.4, as per 2021 ACS 5-Year Estimates. Of the total population, 23.68% were under the age of 15, 18.42% aged 15 to 29, 42.11% aged 30 to 64, 15.79% aged 65 to 84, and 0.00% were 85 years of age and older.