South Beloit ZIP code, Illinois
The ZIP code for South Beloit, IL is 61080, and its area codes are 779 and 815.
- USPS city name
- 1 ZIP code
- Overlapping the city
- 2 more
- Population
- 7,946
- County
- Winnebago County
- State
- Illinois
Mail addressed to South Beloit uses the ZIP code above. 2 more ZIP codes cover part of the city but are addressed as somewhere else; they are listed separately below.
South Beloit in numbers
About 7,946 people live in South Beloit, in 3,339 households. The median household income is $78,616 a year, 6% below the Illinois median of $83,390 (US: $80,734). The median owner-occupied home is valued at $173,000 (34% below the Illinois median), and median gross rent is $972 a month. The median age is 36.0; 28.4% of adults 25 and over hold a bachelor's degree or higher (37.8% across Illinois); the average commute takes 25 minutes.
| Population | 7,946 |
|---|---|
| Households | 3,339 |
| Median age | 36.0 |
| Median household income | $78,616 |
| Median home value | $173,000 |
| Median gross rent | $972 |
| Bachelor's degree or higher | 28.4% |
| Mean commute | 24.8 min |
| Population density | 1,288 / sq mi |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place South Beloit city. Survey estimates carry margins of error, wider for small places. Sources and methods.
ZIP codes addressed as South Beloit
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
61080 | South Beloit , IL | Standard | 10,955 | $76,579 | $181,200 |
Other ZIP codes overlapping South Beloit
These ZIP codes cover part of South Beloit but are addressed as somewhere else.
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
61072 | Rockton , IL | Standard | 11,285 | $104,938 | $237,600 |
61073 | Roscoe , IL | Standard | 20,194 | $102,064 | $239,100 |
Map of South Beloit ZIP codes
The ZIP codes of South Beloit, IL, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
Towns near South Beloit
The nearest larger towns are Beloit, WI (36,534 people, 2.7 mi), Rockton (7,974 people, 3.2 mi) and Roscoe (10,706 people, 4.2 mi).
| Town | Population | Distance |
|---|---|---|
| Beloit, WI | 36,534 | 2.7 mi |
| Rockton | 7,974 | 3.2 mi |
| Roscoe | 10,706 | 4.2 mi |
| Machesney Park | 22,630 | 8.1 mi |
| Loves Park | 23,502 | 10.3 mi |
| Candlewick Lake | 5,448 | 12.2 mi |
| Poplar Grove | 3,923 | 13.2 mi |
| Janesville, WI | 66,030 | 13.8 mi |
| Rockford | 147,521 | 15.7 mi |
| Belvidere | 24,752 | 16.8 mi |
| Cherry Valley | 3,749 | 17.5 mi |
| Winnebago | 2,981 | 18.4 mi |
| Brodhead, WI | 3,197 | 19.9 mi |
| Milton, WI | 5,706 | 20.5 mi |
More nearby: every ZIP code in Winnebago County · Illinois ZIP codes
Cite this page
zipcodes.pro. “South Beloit, IL ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/il/south-beloit
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