Oskaloosa, IA zip code
Oskaloosa, Iowa uses one zip code: 52577. Most of it is in Mahaska County. Together these zip codes are home to about 15K people.
Zip codes
1
Population
15K
All zips combined
Largest zip
52577
14,585 residents
Zip codes in Oskaloosa
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 52577 | 14,585 | $66,084 |