Calumet, IA zip code
Calumet, Iowa uses one zip code: 51009. Most of it is in O'Brien County. Together these zip codes are home to about 113 people.
Zip codes
1
Population
113
All zips combined
Largest zip
51009
113 residents
Zip codes in Calumet
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 51009 | 113 | $58,750 |