In 2023, Sullivan, IL had a population of 4.25k people with a median age of 38.1 and a median household income of $62,845. Between 2022 and 2023 the population of Sullivan, IL declined from 4,408 to 4,253, a −3.52% decrease and its median household income declined from $63,917 to $62,845, a −1.68% decrease.
The 5 largest ethnic groups in Sullivan, IL are White (Non-Hispanic) (95.5%), Black or African American (Non-Hispanic) (2.19%), Two+ (Non-Hispanic) (1.15%), Two+ (Hispanic) (0.893%), and Asian (Non-Hispanic) (0.306%).
None of the households in Sullivan, 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.
99.7% of the residents in Sullivan, IL are U.S. citizens.
In 2023, the median property value in Sullivan, IL was $95,600, and the homeownership rate was 72.9%.
Most people in Sullivan, IL drove alone to work, and the average commute time was 17.1 minutes. The average car ownership in Sullivan, IL was 2 cars per household.