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

Zip Code 61080 — South Beloit, IL

ZIP Code 61080 is associated with South Beloit, IL, in Winnebago County. The listed population estimate is 10,955; estimated density is 168.8 people per square mile. Among records with population estimates, it ranks #13 of 20 in Winnebago County and #350 of 1,390 in IL.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (42.479920, -88.989890)

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

How 61080 Compares

MetricZIP 61080Winnebago County recordsIL records
Population estimate10,955285,063 (sum)12,694,745 (sum)
Population Density168.8 /sq mi----
County population rank#13 of 20----
State population rank#350 of 1,390----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in IL

ZIP CodeCityDistancePopulation estimate
ZIP 61073Roscoe3.8 mi20,194
ZIP 61011Caledonia7.4 mi2,676
ZIP 61072Rockton8.0 mi11,285
ZIP 61115Machesney Park8.3 mi22,364
ZIP 61065Poplar Grove9.7 mi10,570

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 →