The total population of Johnsonville is estimated to be 50 with 30 males (60.00%) and 20 females (40.00%). There are 10 less females than males in Johnsonville.
In 2022, the population of Johnsonville was 72, a 0.00% decrease year-by-year from 2021. Previously, in 2021, Johnsonville's population was 72, a decline of 1.37% compared to a population of 73 in 2020.
The median age in Johnsonville, IL is 61.3, as per 2021 ACS 5-Year Estimates. Of the total population, 5.88% were under the age of 15, 17.65% aged 15 to 29, 64.71% aged 30 to 64, 5.88% aged 65 to 84, and 5.88% were 85 years of age and older.