61042 vs 61071 ZIP Codes
Harmon, IL · Rock Falls, IL
| Metric | 61042 | 61071 |
|---|---|---|
| City | Harmon | Rock Falls |
| County | Lee | Whiteside |
| State | Illinois | Illinois |
| Time zone | Central Time | Central Time |
| Population | 527 | 14,381 |
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.