Rock City, IL ZIP code
The ZIP code for Rock City, Illinois is 61070. It is in Stephenson County.
- Population in these ZIPs
- 1,322
- Avg. median income
- $84,200population-weighted
- Typical home value
- $227,400population-weighted
- Metro area
- Freeport, IL
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Rock City, IL ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 61070 | 1,322 | $84,167 | $227,400 |
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 City
- Davis 4 mi
- Dakota 4 mi
- Ridott 8 mi
- Orangeville 9 mi
- Cedarville 9 mi
- Durand 9 mi
- Pecatonica 9 mi
- Freeport 11 mi
- Shirland 13 mi
- Mc Connell 13 mi
- Seward 14 mi
- German Valley 14 mi
Frequently asked questions
What is the ZIP code for Rock City, IL?
The ZIP code for Rock City, IL is 61070.
What county is Rock City, Illinois in?
Rock City ZIP codes are in Stephenson County.