Irwin, IA zip code
Irwin, Iowa uses one zip code: 51446. Most of it is in Shelby County. Together these zip codes are home to about 499 people.
Zip codes
1
Population
499
All zips combined
Largest zip
51446
499 residents
Zip codes in Irwin
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 51446 | 499 | $62,750 |