In 2022, Old Mill Creek, IL had a population of 122 people with a median age of 49.5 and a median household income of $69,688. Between 2021 and 2022 the population of Old Mill Creek, IL declined from 191 to 122, a −36.1% decrease and its median household income declined from $105,417 to $69,688, a −33.9% decrease.
The 5 largest ethnic groups in Old Mill Creek, IL are White (Non-Hispanic) (90.2%), Other (Hispanic) (8.2%), American Indian & Alaska Native (Non-Hispanic) (0.82%), Two+ (Non-Hispanic) (0.82%), and White (Hispanic) (0%).
None of the households in Old Mill Creek, 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.
94.3% of the residents in Old Mill Creek, IL are U.S. citizens.
In 2021, the median property value in Old Mill Creek, IL was $450,000, and the homeownership rate was 38.2%.
Most people in Old Mill Creek, IL drove alone to work, and the average commute time was 20.6 minutes. The average car ownership in Old Mill Creek, IL was 2 cars per household.
