In 2021, Big Rock, IL had a population of 1.21k people with a median age of 45.9 and a median household income of $112,778. Between 2020 and 2021 the population of Big Rock, IL declined from 1,271 to 1,208, a −4.96% decrease and its median household income grew from $106,375 to $112,778, a 6.02% increase.
The 5 largest ethnic groups in Big Rock, IL are White (Non-Hispanic) (91.6%), Two+ (Non-Hispanic) (4.3%), White (Hispanic) (2.57%), Asian (Non-Hispanic) (0.579%), and Two+ (Hispanic) (0.579%).
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.
99.5% of the residents in Big Rock, IL are U.S. citizens.
In 2021, the median property value in Big Rock, IL was $255,400, and the homeownership rate was 89.8%.
Most people in Big Rock, IL drove alone to work, and the average commute time was 29.6 minutes. The average car ownership in Big Rock, IL was 2 cars per household.