In 2023, Big Rock, IL had a population of 1.21k people with a median age of 40.6 and a median household income of $126,667. Between 2022 and 2023 the population of Big Rock, IL declined from 1,221 to 1,208, a −1.06% decrease and its median household income grew from $122,000 to $126,667, a 3.83% increase.
The 5 largest ethnic groups in Big Rock, IL are White (Non-Hispanic) (84.8%), White (Hispanic) (6.95%), Two Races Including Other (Non-Hispanic) (2.24%), Two Races Including Other (Hispanic) (2.15%), and Two Races Excluding Other, & Three or More Races (Non-Hispanic) (2.07%).
None of the households in Big Rock, 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.
99.1% of the residents in Big Rock, IL are U.S. citizens.
In 2023, the median property value in Big Rock, IL was $290,100, and the homeownership rate was 96%.
Most people in Big Rock, IL drove alone to work, and the average commute time was 30.1 minutes. The average car ownership in Big Rock, IL was 2 cars per household.