Home > IL > Winnebago County > Machesney Park > Zip 61115

Zip Code 61115 — Machesney Park, IL

61115 is a ZIP Code associated with Machesney Park, IL, located within Winnebago. The postal region supports an estimated population of 22,364 residents across Data Pending housing units, with a population density of 810.9 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (42.363650, -89.028690)

Data MetricLocal Statistic
Postal / Zip Code61115
Primary CityMachesney Park
State / ProvinceIL
CountyWinnebago
Total Population22,364
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density810.9 people/sq mi
TimezoneAmerica/Chicago

How 61115 Compares

MetricZIP 61115Winnebago CountyIL State Average
Population22,364285,06312,694,745
Median IncomeData PendingN/AN/A
Population Density810.9 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 61111Loves Park2.3 mi23,286N/A
Zip 61103Rockford3.0 mi22,869N/A
Zip 61114Rockford4.3 mi15,325N/A
Zip 61073Roscoe4.6 mi20,194N/A
Zip 61107Rockford5.7 mi30,765N/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 →