51521 vs 51570 ZIP Codes
Avoca, IA · Shelby, IA
| Metric | 51521 | 51570 |
|---|---|---|
| City | Avoca | Shelby |
| County | Pottawattamie | Harrison |
| State | Iowa | Iowa |
| Time zone | Central Time | Central Time |
| Population | 2,036 | 1,039 |
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.