In 2023, Hillsdale, IL had a population of 489 people with a median age of 38.5 and a median household income of $84,583. Between 2022 and 2023 the population of Hillsdale, IL declined from 552 to 489, a −11.4% decrease and its median household income declined from $91,154 to $84,583, a −7.21% decrease.
The 5 largest ethnic groups in Hillsdale, IL are White (Non-Hispanic) (87.3%), Other (Hispanic) (4.91%), White (Hispanic) (4.09%), Two+ (Non-Hispanic) (2.86%), and Black or African American (Non-Hispanic) (0.613%).
None of the households in Hillsdale, 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 Hillsdale, IL are U.S. citizens.
In 2023, the median property value in Hillsdale, IL was $96,700, and the homeownership rate was 86.9%.