Home > IL > Winnebago County > South Beloit > Zip 61080

Zip Code 61080 — South Beloit, IL

61080 is a ZIP Code associated with South Beloit, IL, located within Winnebago. The postal region supports an estimated population of 10,955 residents across Data Pending housing units, with a population density of 168.8 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (42.479920, -88.989890)

Data MetricLocal Statistic
Postal / Zip Code61080
Primary CitySouth Beloit
State / ProvinceIL
CountyWinnebago
Total Population10,955
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density168.8 people/sq mi
TimezoneAmerica/Chicago

How 61080 Compares

MetricZIP 61080Winnebago CountyIL State Average
Population10,955285,06312,694,745
Median IncomeData PendingN/AN/A
Population Density168.8 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 61073Roscoe3.8 mi20,194N/A
Zip 61011Caledonia7.4 mi2,676N/A
Zip 61072Rockton8.0 mi11,285N/A
Zip 61115Machesney Park8.3 mi22,364N/A
Zip 61065Poplar Grove9.7 mi10,570N/A

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →