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Data on this report is based on areas within the legal city boundary, outlined in black on the map. Any additional neighborhoods shown on the map are associated with the city by name and are included for reference only.

Rock Falls, IL
Real Estate & Demographic Data






Rock Falls profile


Living in Rock Falls



Rock Falls is a somewhat small city located in the state of Illinois. With a population of 8,620 people and five associated neighborhoods, Rock Falls is the 245th largest community in Illinois.

Residents of the city have the good fortune of having one of the shortest daily commutes compared to the rest of the country. On average, they spend only 17.54 minutes getting to work every day.

In terms of college education, the citizens of Rock Falls rank slightly lower than the national average. 14.35% of adults 25 and older in Rock Falls have a bachelor's degree or advanced degree, while 21.84% of adults have a 4-year degree or higher in the average American community.

The per capita income in Rock Falls in 2022 was $31,733, which is lower middle income relative to Illinois, and middle income relative to the rest of the US. This equates to an annual income of $126,932 for a family of four. However, Rock Falls contains both very wealthy and poor people as well.

Rock Falls is a very ethnically-diverse city. The people who call Rock Falls home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Rock Falls residents report their race to be White, followed by Black or African-American. Rock Falls also has a sizeable Hispanic population (people of Hispanic origin can be of any race). People of Hispanic or Latino origin account for 22.14% of the city’s residents. Important ancestries of people in Rock Falls include German, Irish, English, Italian, and Dutch.

The most common language spoken in Rock Falls is English. Other important languages spoken here include Spanish and Italian.


Real Estate in Popular Rock Falls Neighborhoods

Zip Codes in Rock Falls, IL