ZIP Code 61104 – Rockford, Illinois
The 61104 ZIP Code belongs to Rockford, Illinois. The population in this 61104 ZIP code is 17,584. The latitude is 42.25186 and longitude is -89.07911 in 61104 Rockford, Illinois. The time zone for this 61104 ZIP code is America/Chicago.
| City | Rockford |
| Zip Code | 61104 |
| State | Illinois |
| County | Winnebago |
| Population | 17,584 |
| Latitude | 42.25186 |
| Longitude | -89.07911 |
| Time Zone | America/Chicago |