South Beloit, IL ZIP code
The ZIP code for South Beloit, Illinois is 61080. It is in Winnebago County.
- Population in these ZIPs
- 10,955
- Avg. median income
- $76,600population-weighted
- Typical home value
- $242,500population-weighted
- Metro area
- Rockford, IL
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South Beloit, IL ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 61080 | 10,955 | $76,579 | $242,500 |
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 South Beloit
- Roscoe 4 mi
- Caledonia 8 mi
- Rockton 8 mi
- Machesney Park 8 mi
- Poplar Grove 9 mi
- Shirland 12 mi
- Capron 12 mi
- Loves Park 13 mi
- Rockford 14 mi
- Durand 16 mi
- Belvidere 18 mi
- Harvard 19 mi
Frequently asked questions
What is the ZIP code for South Beloit, IL?
The ZIP code for South Beloit, IL is 61080.
What county is South Beloit, Illinois in?
South Beloit ZIP codes are in Winnebago County.