Hamburg, IA zip code
Hamburg, Iowa uses one zip code: 51640. Most of it is in Fremont County. Together these zip codes are home to about 1.4K people.
Zip codes
1
Population
1.4K
All zips combined
Largest zip
51640
1,381 residents
Zip codes in Hamburg
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 51640 | 1,381 | $65,385 |