ZIP Code 61103 – Rockford, Illinois
The 61103 ZIP Code belongs to Rockford, Illinois. The population in this 61103 ZIP code is 23,238. The latitude is 42.3453 and longitude is -89.08271 in 61103 Rockford, Illinois. The time zone for this 61103 ZIP code is America/Chicago.
| City | Rockford |
| Zip Code | 61103 |
| State | Illinois |
| County | Winnebago |
| Population | 23,238 |
| Latitude | 42.3453 |
| Longitude | -89.08271 |
| Time Zone | America/Chicago |