ZIP CodesZIP codes in Winnebago County, Illinois
Winnebago County, Illinois has 28 ZIP codes in this list, from 61016 to 61132. They cover 12 places, among them Rockford, Loves Park, Cherry Valley and Durand.
Nothing in this county matches.
| ZIP code | Place | Land area (sq mi) | Map point |
|---|---|---|---|
| 61016 | Cherry Valley | 28.3 | 42.221, -88.962 |
| 61024 | Durand | 59.1 | 42.434, -89.309 |
| 61063 | Pecatonica | 74.5 | 42.305, -89.347 |
| 61072 | Rockton | 52.3 | 42.454, -89.089 |
| 61073 | Roscoe | 27.9 | 42.422, -88.994 |
| 61077 | Seward | 0.8 | 42.237, -89.358 |
| 61079 | Shirland | 3.9 | 42.444, -89.198 |
| 61080 | South Beloit | 25.1 | 42.484, -89.030 |
| 61088 | Winnebago | 56.6 | 42.273, -89.237 |
| 61101 | Rockford | 41.5 | 42.292, -89.116 |
| 61102 | Rockford | 34.1 | 42.255, -89.125 |
| 61103 | Rockford | 16.3 | 42.301, -89.083 |
| 61104 | Rockford | 4.5 | 42.255, -89.077 |
| 61105 | Rockford | no area | 42.271, -89.094 |
| 61106 | Rockford | no area | 42.325, -89.171 |
| 61107 | Rockford | 14.9 | 42.279, -89.036 |
| 61108 | Rockford | 10.9 | 42.251, -89.023 |
| 61109 | Rockford | 38.5 | 42.217, -89.051 |
| 61110 | Rockford | no area | 42.325, -89.171 |
| 61111 | Loves Park | 14.2 | 42.330, -89.034 |
| 61112 | Rockford | 0.8 | 42.246, -88.970 |
| 61114 | Rockford | 8.1 | 42.319, -88.997 |
| 61115 | Machesney Park | 10.6 | 42.355, -89.040 |
| 61125 | Rockford | no area | 42.325, -89.171 |
| 61126 | Rockford | no area | 42.325, -89.171 |
| 61130 | Loves Park | no area | 42.325, -89.171 |
| 61131 | Loves Park | no area | 42.325, -89.171 |
| 61132 | Loves Park | no area | 42.325, -89.171 |
The ZIP code areas of Winnebago County add up to about 523 square miles of land (1,355 sq km) as the Census Bureau draws them. The largest is 61063 (Pecatonica), with 74.5 square miles.
Places with more than one code here: Rockford (14 codes), Loves Park (4 codes).
Using these codes
- In an address, the ZIP code comes last, after the city and the two-letter state: Cherry Valley, IL 61016.
- Tap a ZIP code to open it in the look-up, with a copy button for the address line.
- A code can cross a county line, and one town can have several codes. The table shows the main place of each code.
- "No area" means the Census Bureau draws no area for that code. Such codes are usually for post office boxes or a single building.
Places and counties: GeoNames. Areas: U.S. Census Bureau, 2024 ZIP Code Tabulation Areas. Checked in November 2026. This site is not connected with the United States Postal Service; for mailing, confirm the address with USPS.