In 2023, Mill Creek, IL had a population of 32 people with a median age of 45.8 and a median household income of $107,500. Between 2022 and 2023 the population of Mill Creek, IL declined from 45 to 32, a −28.9% decrease and its median household income grew from $N/A to $107,500, a InfinityM% increase.
The 5 largest ethnic groups in Mill Creek, IL are White (Non-Hispanic) (81.3%), Two Races Including Other (Non-Hispanic) (9.38%), White (Hispanic) (9.38%), Black or African American (Non-Hispanic) (0%), and American Indian & Alaska Native (Non-Hispanic) (0%).
None of the households in 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.
100% of the residents in Mill Creek, IL are U.S. citizens.
Most people in Mill Creek, IL drove alone to work, and the average commute time was 28.5 minutes. The average car ownership in Mill Creek, IL was 2 cars per household.