South Wilmington, IL Demographics

The total population of South Wilmington is estimated to be 624 with 328 males (52.56%) and 296 females (47.44%). There are 32 less females than males in South Wilmington.
The median household income in South Wilmington was $82,870 in 2021, which marked an a decrease of 2,292(2.69%) from $85,162 in 2020. This income is 111.08% of the U.S. median household income of $74,606 (all incomes in 2022 inflation-adjusted dollars).
Per the latest American Community Survey by the Census Bureau, South Wilmington sees its highest median household income among householders in the age group of 45 to 64 years old, at $111,694. Overall, the median household income for the village of South Wilmington stands at $82,870.
In South Wilmington, the median income for all workers aged 15 years and older, regardless of work hours, was $71,779 for males and $27,867 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $86,924 for males and $68,908 for females.
In South Wilmington, there are just two different racial groups among households. Among these, Two or More Races households report a median household income of $138,830, while White households have a median household income of $81,519.
In 2022, the population of South Wilmington was 714, a 0.28% decrease year-by-year from 2021. Previously, in 2021, South Wilmington's population was 716, an increase of 1.42% compared to a population of 706 in 2020.
The median age in South Wilmington, IL is 38.5, as per 2021 ACS 5-Year Estimates. Of the total population, 22.08% were under the age of 15, 12.91% aged 15 to 29, 46.66% aged 30 to 64, 15.71% aged 65 to 84, and 2.64% were 85 years of age and older.
Racial distribution of South Wilmington population: 98.60% are White and 1.40% are multiracial.