In 2021, Rock Falls, IL had a population of 8.81k people with a median age of 39.4 and a median household income of $45,780. Between 2020 and 2021 the population of Rock Falls, IL declined from 8,914 to 8,807, a −1.2% decrease and its median household income grew from $44,264 to $45,780, a 3.42% increase.
The 5 largest ethnic groups in Rock Falls, IL are White (Non-Hispanic) (77.3%), White (Hispanic) (10.7%), Two+ (Hispanic) (6.95%), Other (Hispanic) (3.61%), and Black or African American (Non-Hispanic) (0.431%).
None of the households in Rock Falls, 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.
97.7% of the residents in Rock Falls, IL are U.S. citizens.
In 2021, the median property value in Rock Falls, IL was $70,000, and the homeownership rate was 66.1%.
Most people in Rock Falls, IL drove alone to work, and the average commute time was 22.3 minutes. The average car ownership in Rock Falls, IL was 2 cars per household.