51040 vs 51523 ZIP Codes
Onawa, IA · Blencoe, IA
| Metric | 51040 | 51523 |
|---|---|---|
| City | Onawa | Blencoe |
| County | Monona | Monona |
| State | Iowa | Iowa |
| Time zone | Central Time | Central Time |
| Population | 3,712 | 357 |
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.