61080
ZIP 61080 is South Beloit, Illinois, mostly in Winnebago County; area codes 779 and 815; Central time.
- Type
- Standard
- Time zone
- America/Chicago
- County
- Winnebago +1 more
- Metro area
- Rockford, IL
- Population
- 10,955
- Coordinates
- 42.4809, -88.9838
Weather right now
Asking the National Weather Service…
Where 61080 is
Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.
- 🔢 Type 61080 into a pocket calculator and turn it upside down: OBOIg — not quite a word, sorry.
- ➕ As a number, 61,080 = 2 × 2 × 2 × 3 × 5 × 509. Its digits add up to 15, a total 1,657 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1110111010011000 - 🏠 Its numerical neighbours: 61079 (Shirland, IL, 12 mi away) and 61081 (Sterling, IL, 58 mi away).
- 🔄 Backwards, 61080 becomes 08016 — and that is a real ZIP code: Burlington, NJ, 753 miles away.
- 👥 31 other ZIP codes are made of exactly the same digits (00681, 01068, 01086, 01608, 01860, 06018, …). The farthest-flung twin is 00681 in Mayaguez, PR, 2,110 miles away.
- 🧭 Farther north than 79% of all ZIP codes, and farther west than 53%.
- 🎯531 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 61080 and you would come out at 42.48°S, 91.02°E — 1,102 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 18m of daylight. Shortest: 9h 04m.
- 📏 At 25.1 square miles of land, 61080 is bigger than 42% of ZIP codes — room for about 19 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 10,955This ZIP10,955 |
|---|---|
| Households | 4,716This ZIP4,716 |
| Housing units | 5,040This ZIP5,040 |
| Median age | 38.7This ZIP38.7Illinois39.0US 38.9 |
| Median household income | $76,579This ZIP$76,579Illinois$83,390US $80,734 |
| Median home value | $181,200This ZIP$181,200Illinois$263,300US $332,700 |
| Median gross rent | $942This ZIP$942Illinois$1,274US $1,413 |
| Bachelor's degree or higher | 27.1%This ZIP27.1% |
| Mean commute | 24.6 minThis ZIP24.6 min |
| Population density | 437.3 / sq miThis ZIP437.3 / sq mi |
Business and tax activity
| Business establishments | 219This ZIP219 |
|---|---|
| Employees | 2,964This ZIP2,964 |
| Annual payroll | $146,513,000This ZIP$146,513,000 |
| Tax returns filed | 4,930This ZIP4,930 |
| Total adjusted gross income | $373,761,000This ZIP$373,761,000 |
Land area
| Land area | 25.05 sq miThis ZIP25.05 sq mi |
|---|---|
| Water area | 0.36 sq miThis ZIP0.36 sq mi |
Counties 61080 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Winnebago County | 71.2% |
| Boone County | 28.8% |
Other place names in 61080
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 61080
| ZIP | City | Distance |
|---|---|---|
53512 | Beloit, WI | 3.1 mi |
61073 | Roscoe, IL | 4.0 mi |
61011 | Caledonia, IL | 7.6 mi |
53511 | Beloit, WI | 7.7 mi |
53525 | Clinton, WI | 8.2 mi |
61072 | Rockton, IL | 8.3 mi |
61115 | Machesney Park, IL | 8.4 mi |
61065 | Poplar Grove, IL | 9.3 mi |
53501 | Afton, WI | 9.7 mi |
61111 | Loves Park, IL | 10.1 mi |
Find every ZIP code within 10 miles of 61080 →
Questions about this ZIP code
Where is ZIP code 61080?
61080 is in South Beloit, Illinois, in Winnebago County, part of the Rockford, IL metropolitan area. Its published point location is 42.4809, -88.9838.
What county is 61080 in?
61080 spans 2 counties: Winnebago County and Boone County. Most of it falls in Winnebago County, measured by overlapping land area — the county holding the most land in a ZIP code is not always the one holding the most residents.
What area code is 61080?
South Beloit uses area codes 779 and 815, from NANPA's telephone records.
What time zone is 61080 in?
61080 uses America/Chicago.
How many people live in 61080?
About 10,955 people live in ZIP code 61080, in 4,716 households, at 437.3 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.
What is the median household income in 61080?
$76,579 a year, against $83,390 across Illinois.
What ZIP codes are near 61080?
The closest are 53512 (3.1 mi), 61073 (4 mi), 61011 (7.6 mi), 53511 (7.7 mi) and 53525 (8.2 mi).
Is 61080 a PO Box ZIP code?
61080 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “61080 ZIP Code — South Beloit, Illinois (Winnebago County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/61080
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/61080.json Underlying data is public domain or openly licensed — sources, vintages and licences.