51101 vs 68776 ZIP Codes
Sioux City, IA · South Sioux City, NE
| Metric | 51101 | 68776 |
|---|---|---|
| City | Sioux City | South Sioux City |
| County | Woodbury | Dakota |
| State | Iowa | Nebraska |
| Time zone | Central Time | Central Time |
| Population | 809 | 15,447 |
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.