In 2023, Williamson, IL had a population of 164 people with a median age of 55 and a median household income of $56,667. Between 2022 and 2023 the population of Williamson, IL grew from 154 to 164, a 6.49% increase and its median household income grew from $55,750 to $56,667, a 1.64% increase.
The 5 largest ethnic groups in Williamson, IL are White (Non-Hispanic) (93.9%), Two+ (Non-Hispanic) (3.66%), White (Hispanic) (1.22%), Two+ (Hispanic) (1.22%), and Black or African American (Non-Hispanic) (0%).
None of the households in Williamson, 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 Williamson, IL are U.S. citizens.
In 2023, the median property value in Williamson, IL was $75,500, and the homeownership rate was 72.1%.
Most people in Williamson, IL drove alone to work, and the average commute time was 29.7 minutes. The average car ownership in Williamson, IL was 2 cars per household.