Onslow, Iowa ZIP Codes
1 ZIP codes | Population: 395
| ZIP Code | Population | Median Income | Median Home | Median Age |
|---|---|---|---|---|
| 52321 | 395 | $77,708 | $131,300 | 40.20 |
1 ZIP codes | Population: 395
| ZIP Code | Population | Median Income | Median Home | Median Age |
|---|---|---|---|---|
| 52321 | 395 | $77,708 | $131,300 | 40.20 |