Onawa, Iowa ZIP Codes
1 ZIP codes | Population: 3,500
| ZIP Code | Population | Median Income | Median Home | Median Age |
|---|---|---|---|---|
| 51040 | 3,500 | $71,179 | $151,600 | 37.60 |
1 ZIP codes | Population: 3,500
| ZIP Code | Population | Median Income | Median Home | Median Age |
|---|---|---|---|---|
| 51040 | 3,500 | $71,179 | $151,600 | 37.60 |