Martinsburg, IA zip code
Martinsburg, Iowa uses one zip code: 52568. Most of it is in Keokuk County. Together these zip codes are home to about 80 people.
Zip codes
1
Population
80
All zips combined
Largest zip
52568
80 residents
Zip codes in Martinsburg
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 52568 | 80 | $44,375 |