Grafton, Iowa ZIP Codes
1 ZIP codes | Population: 361
| ZIP Code | Population | Median Income | Median Home | Median Age |
|---|---|---|---|---|
| 50440 | 361 | $76,429 | $122,500 | 56.20 |
1 ZIP codes | Population: 361
| ZIP Code | Population | Median Income | Median Home | Median Age |
|---|---|---|---|---|
| 50440 | 361 | $76,429 | $122,500 | 56.20 |