In 2022, South Wilmington, IL had a population of 624 people with a median age of 37.3 and a median household income of $89,063. Between 2021 and 2022 the population of South Wilmington, IL declined from 643 to 624, a −2.95% decrease and its median household income grew from $76,667 to $89,063, a 16.2% increase.
The 5 largest ethnic groups in South Wilmington, IL are White (Non-Hispanic) (92.6%), White (Hispanic) (5.45%), Asian (Non-Hispanic) (1.12%), Two+ (Non-Hispanic) (0.801%), and Black or African American (Non-Hispanic) (0%).
None of the households in South Wilmington, IL reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
100% of the residents in South Wilmington, IL are U.S. citizens.
In 2022, the median property value in South Wilmington, IL was $154,800, and the homeownership rate was 90.9%.
Most people in South Wilmington, IL drove alone to work, and the average commute time was 32.9 minutes. The average car ownership in South Wilmington, IL was 2 cars per household.