Chapin, IA zip code
Chapin, Iowa uses one zip code: 50427. Most of it is in Franklin County. Together these zip codes are home to about 137 people.
Zip codes
1
Population
137
All zips combined
Largest zip
50427
137 residents
Zip codes in Chapin
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 50427 | 137 | $73,091 |