51003 vs 51022 ZIP Codes
Alton, IA · Granville, IA
| Metric | 51003 | 51022 |
|---|---|---|
| City | Alton | Granville |
| County | Sioux | Sioux |
| State | Iowa | Iowa |
| Time zone | Central Time | Central Time |
| Population | 1,700 | 789 |
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.