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Rock Falls, IL Demographics & ZIP Codes
Rock Falls, Illinois demographics and median household income by ZIP code (in Whiteside County) — 1 ZIP codes — population 13,482 — median income $57,909 — avg. home value $104,900. Compare income, housing, and population across ZIP codes on US5.
Population
13,482
Median household income (avg.)
$57,909
77% of U.S. median
Average home value
$104,900
30% of U.S. median
Average rent
$583
50% of U.S. median
Median age (avg.)
43.6
Rock Falls demographics
Rock Falls, Illinois covers 1 ZIP code primarily in Whiteside County, with a combined ZIP-area population of about 13,482.
Across ZIP codes with age data, the average median age is about 43.6 years.
Median household income in Rock Falls
The average median household income across ZIP codes in Rock Falls, Illinois is about $57,909 — about 26% below the IL ZIP average ($78,143), and about 23% below the U.S. median ($75,149).
The highest median household income among listed ZIPs is about $57,909 in 61071.
Housing in Rock Falls
For housing in Rock Falls, Illinois, the average median home value is about $104,900 and the average median rent is about $583.
The most populous ZIP in this set is 61071 (about 13,482 residents). Use the table below to compare population, income, and home values across codes.
ZIP codes in Rock Falls
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 61071 | Rock Falls | Whiteside County | IL | 13,482 | $57,909 | $104,900 |
Frequently asked questions
What are the demographics of Rock Falls?
Rock Falls, Illinois has a combined ZIP-area population of about 13,482 across 1 ZIP codes (primarily Whiteside County). Browse the ZIP table below for population, income, and housing by code.
What is the median household income in Rock Falls?
The average median household income across ZIP codes in Rock Falls, Illinois is about $57,909, about 26% below the state ZIP average ($78,143), and about 23% below the U.S. median ($75,149). Average median home value is about $104,900.
How many ZIP codes are in Rock Falls?
Rock Falls, Illinois includes 1 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for Rock Falls?
This page lists ZIP codes in Rock Falls, Illinois with population, median household income, and home value. Select a ZIP for a full demographics profile.