In 2023, Swansea, IL had a population of 14.6k people with a median age of 38.4 and a median household income of $84,367. Between 2022 and 2023 the population of Swansea, IL declined from 14,888 to 14,603, a −1.91% decrease and its median household income declined from $85,603 to $84,367, a −1.44% decrease.
The 5 largest ethnic groups in Swansea, IL are White (Non-Hispanic) (71.8%), Black or African American (Non-Hispanic) (17.7%), Two+ (Non-Hispanic) (7.05%), Asian (Non-Hispanic) (2.37%), and White (Hispanic) (0.623%).
None of the households in Swansea, 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.
98.6% of the residents in Swansea, IL are U.S. citizens.
In 2023, the median property value in Swansea, IL was $211,700, and the homeownership rate was 75.3%.
Most people in Swansea, IL drove alone to work, and the average commute time was 25.6 minutes. The average car ownership in Swansea, IL was 2 cars per household.