51640 vs 51650 ZIP Codes
Hamburg, IA · Riverton, IA
| Metric | 51640 | 51650 |
|---|---|---|
| City | Hamburg | Riverton |
| County | Fremont | Fremont |
| State | Iowa | Iowa |
| Time zone | Central Time | Central Time |
| Population | 1,748 | 370 |
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.