Ionia, IA zip code
Ionia, Iowa uses one zip code: 50645. Most of it is in Chickasaw County. Together these zip codes are home to about 1.2K people.
Zip codes
1
Population
1.2K
All zips combined
Largest zip
50645
1,193 residents
Zip codes in Ionia
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 50645 | 1,193 | $64,408 |