The total population of New Salem is estimated to be 210 with 112 males (53.33%) and 98 females (46.67%). There are 14 less females than males in New Salem.
In 2022, the population of New Salem was 120, a 1.64% decrease year-by-year from 2021. Previously, in 2021, New Salem's population was 122, a decline of 0.00% compared to a population of 122 in 2020.
The median age in New Salem, IL is 36.2, as per 2021 ACS 5-Year Estimates. Of the total population, 23.27% were under the age of 15, 12.87% aged 15 to 29, 52.48% aged 30 to 64, 9.90% aged 65 to 84, and 1.49% were 85 years of age and older.