In 2017, Rock Falls, IL had a population of 8.9k people with a median age of 39.9 and a median household income of $44,848. Between 2016 and 2017 the population of Rock Falls, IL declined from 9,104 to 8,898, a -2.26% decrease and its median household income grew from $40,543 to $44,848, a 10.6% increase.
The population of Rock Falls, IL is 78.3% White Alone, 16.5% Hispanic or Latino, and 3.74% Black or African American Alone. N/A% of the people in Rock Falls, IL speak a non-English language, and 98.4% are U.S. citizens.
The median property value in Rock Falls, IL is $75,000, and the homeownership rate is 64.4%. Most people in Rock Falls, IL commute by Drove Alone, and the average commute time is 18 minutes. The average car ownership in Rock Falls, IL is 2 cars per household.