Harper, IA zip code
Harper, Iowa uses one zip code: 52231. Most of it is in Keokuk County. Together these zip codes are home to about 539 people.
Zip codes
1
Population
539
All zips combined
Largest zip
52231
539 residents
Zip codes in Harper
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 52231 | 539 | $90,893 |