Winnebago County ZIP Codes
Illinois, United States · 28 codes
Winnebago County in Illinois has 28 ZIP codes, from 61016 to 61132, serving 28 places.
ZIP codes in Winnebago
| ZIP Code | Places |
|---|---|
| 61016 | Cherry Valley |
| 61024 | Durand |
| 61063 | Pecatonica |
| 61072 | Rockton |
| 61073 | Roscoe |
| 61077 | Seward |
| 61079 | Shirland |
| 61080 | South Beloit |
| 61088 | Winnebago |
| 61101 | Rockford |
| 61102 | Rockford |
| 61103 | Rockford |
| 61104 | Rockford |
| 61105 | Rockford |
| 61106 | Rockford |
| 61107 | Rockford |
| 61108 | Rockford |
| 61109 | Rockford |
| 61110 | Rockford |
| 61111 | Loves Park |
| 61112 | Rockford |
| 61114 | Rockford |
| 61115 | Machesney Park |
| 61125 | Rockford |
| 61126 | Rockford |
| 61130 | Loves Park |
| 61131 | Loves Park |
| 61132 | Loves Park |
Frequently asked questions
What is the ZIP code of Winnebago?
Winnebago has 28 ZIP codes, from 61016 to 61132. The table lists the places each one serves.
How many places are listed in Winnebago County?
28 places.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.