The total population of Fern town is estimated to be 193 with 107 males (55.44%) and 86 females (44.56%). There are 21 less females than males in Fern town.
In 2022, the population of Fern town was 180, a 1.69% increase year-by-year from 2021. Previously, in 2021, Fern town's population was 177, an increase of 1.14% compared to a population of 175 in 2020.
The median age in Fern, Wisconsin is 68.2, as per 2021 ACS 5-Year Estimates. Of the total population, 8.38% were under the age of 15, 0.56% aged 15 to 29, 35.20% aged 30 to 64, 55.87% aged 65 to 84, and 0.00% were 85 years of age and older.