Rock Falls, IL ZIP code
The ZIP code for Rock Falls, Illinois is 61071. It is in Whiteside County.
- Population in these ZIPs
- 13,581
- Avg. median income
- $60,500population-weighted
- Typical home value
- $122,100population-weighted
- Metro area
- Sterling, IL
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Rock Falls, IL ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 61071 | 13,581 | $60,508 | $122,100 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities near Rock Falls
- Galt 5 mi
- Deer Grove 7 mi
- Harmon 8 mi
- Sterling 9 mi
- Tampico 10 mi
- Lyndon 11 mi
- Dixon 14 mi
- Walnut 14 mi
- Prophetstown 14 mi
- Woosung 15 mi
- Eldena 15 mi
- New Bedford 15 mi
Frequently asked questions
What is the ZIP code for Rock Falls, IL?
The ZIP code for Rock Falls, IL is 61071.
What county is Rock Falls, Illinois in?
Rock Falls ZIP codes are in Whiteside County.