In 2018, Rock Falls, IL had a population of 8.91k people with a median age of 39.6 and a median household income of $48,242. Between 2017 and 2018 the population of Rock Falls, IL grew from 8,898 to 8,911, a 0.146% increase and its median household income grew from $44,848 to $48,242, a 7.57% increase.
N/A 0% of the people in Rock Falls, IL speak a non-English language, and 98.8% are U.S. citizens.
In 2018, the median property value in Rock Falls, IL was $75,700, and the homeownership rate was 63.5%. Most people in Rock Falls, IL drove alone to work, and the average commute time was 19.2 minutes. The average car ownership in Rock Falls, IL was 2 cars per household.