In 2023, Prairie du Rocher, IL had a population of 432 people with a median age of 36.4 and a median household income of $60,313. Between 2022 and 2023 the population of Prairie du Rocher, IL declined from 494 to 432, a −12.6% decrease and its median household income declined from $71,000 to $60,313, a −15.1% decrease.
The 5 largest ethnic groups in Prairie du Rocher, IL are White (Non-Hispanic) (93.1%), Two Races Including Other (Hispanic) (3.47%), Two Races Including Other (Non-Hispanic) (1.62%), Black or African American (Non-Hispanic) (0.926%), and Native Hawaiian & Other Pacific Islander (Non-Hispanic) (0.463%).
None of the households in Prairie du Rocher, 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.
99.3% of the residents in Prairie du Rocher, IL are U.S. citizens.
In 2023, the median property value in Prairie du Rocher, IL was $85,400, and the homeownership rate was 83.8%.
Most people in Prairie du Rocher, IL drove alone to work, and the average commute time was 30.2 minutes. The average car ownership in Prairie du Rocher, IL was 2 cars per household.