61102 vs 61104 ZIP Codes
Rockford, IL · Rockford, IL
| Metric | 61102 | 61104 |
|---|---|---|
| City | Rockford | Rockford |
| County | Winnebago | Winnebago |
| State | Illinois | Illinois |
| Time zone | Central Time | Central Time |
| Population | 20,538 | 19,269 |
Demographic figures come from U.S. Census Bureau / ACS data included in the source ZIP dataset; many ZIP codes have no demographic figures in that dataset.