Winnebago County, IL ZIP Codes

22 ZIP codes cover all or part of Winnebago County, Illinois. The Census Bureau counts 283,292 residents in the county, with a median household income of $65,837 and a median home value of $164,500. Median household income ranges from $33,772 in 61104 to $127,273 in 61011. Its largest communities include Rockford, Loves Park, Machesney Park, Roscoe and Rockton.

Winnebago County (Census county figures)

MeasureCensus figure
Residents283,292
Households116,014
Median household income$65,837
Median home value$164,500
Median age39.6
Median rent$1,021

All 22 ZIP codes together

MeasureValue
Residents (sum of ZIP codes)291,200
Households (sum of ZIP codes)118,979
Median household income, range across ZIP codes$33,772 (61104) to $127,273 (61011)
Household-weighted average of ZIP medians (an approximation, not a true median)$69,009
Homeowners66.5%
Households with kids under 1828.1%
Moved in the past year12.4%
Carrier routes in EDDM2GO's route library93 routes, 46,748 homes (10 of 22 ZIP codes)

Top facts

Every ZIP code in Winnebago County

ZIPMailing cityResidentsHouseholdsMedian incomeHome valueHomeownersWith kidsNew moversCarrier routesMailboxesWhy listed
61107Rockford30,76512,883$78,574$175,40071.1%26.4%11.1%——94% of its land
61108Rockford30,35512,102$64,415$144,80065.4%27.5%15.9%2213,425100% of its land
61109Rockford26,76811,196$62,973$139,40064.2%26.4%14.6%——97% of its land
61111Loves Park23,28610,201$61,393$158,60060.4%25.4%13.3%——96% of its land
61103Rockford22,8699,866$51,161$115,50051.6%24.3%16.0%——100% of its land
61115Machesney Park22,3648,463$75,363$172,60079.5%31.2%11.1%——100% of its land
61073Roscoe20,1947,465$102,064$239,10080.3%37.9%12.4%——96% of its land
61101Rockford19,3187,750$46,163$90,60051.4%31.4%8.4%——100% of its land
61104Rockford17,2227,672$33,772$90,10037.8%27.5%18.3%137,902100% of its land
61102Rockford15,9376,047$46,599$98,90064.4%30.7%12.4%146,60188% of its land
61114Rockford15,3256,464$85,568$204,30071.1%22.8%10.1%136,97988% of its land
61072Rockton11,2854,213$104,938$237,60083.6%34.4%6.6%94,569100% of its land
61080South Beloit10,9554,716$76,579$181,20072.9%27.4%12.4%84,67871% of its land
61088Winnebago6,1672,332$98,088$208,70089.8%33.8%4.5%62,312100% of its land
61016Cherry Valley5,4652,244$84,883$231,20089.7%27.0%10.1%42,20157% of its land
61063Pecatonica4,0111,667$84,276$174,10078.1%25.7%5.3%——84% of its land
61019Davis3,4611,423$105,150$232,10088.3%24.4%10.9%——38% of its land
61011Caledonia2,6761,028$127,273$311,90093.5%25.2%3.0%——18% of its land
61024Durand2,3181,036$70,750$152,70080.6%19.0%10.6%31,014100% of its land
61079Winnebago County210101$46,367$123,20084.2%12.9%7.6%——100% of its land
61112Rockford15262$40,563—0.0%0.0%29.6%1224100% of its land
61077Seward9748——100.0%0.0%0.0%——100% of its land

A ZIP code is listed for Winnebago County when at least 10% of its land is in the county, when it holds at least 10% of the county's land, or when the county is its main county. Totals add up whole ZIP codes, including parts that cross the county line; the Census county figures above do not.

Cities and communities

Rankings

Price a mailing to Winnebago County ZIP codes

EDDM guides

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Frequently asked questions

What ZIP codes are in Winnebago County, IL?
61107, 61108, 61109, 61111, 61103, 61115, 61073, 61101, 61104, 61102, 61114, 61072, 61080, 61088, 61016, 61063, 61019, 61011, 61024, 61079, 61112 and 61077. Some cross the county line; the table shows each ZIP's share of land in the county.
What is the population of Winnebago County?
283,292 residents in 116,014 households (ACS 5-year estimates, 2020–2024).
What is the median household income in Winnebago County?
$65,837 for the county as a whole. Its ZIP codes range from $33,772 (61104) to $127,273 (61011).
Which Winnebago County ZIP code has the highest median household income?
61011, at $127,273, among ZIP codes with at least 1,000 residents. See the full ranking of Winnebago County ZIP codes by income.
How many carrier routes and mailboxes are in Winnebago County?
For the 10 of 22 ZIP codes in EDDM2GO's stored route library: 93 carrier routes reaching 46,748 residential and 3,126 business mailboxes. The route map loads the rest when you search them.

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.