Monmouth, IA zip code
Monmouth, Iowa uses one zip code: 52309. Most of it is in Jackson County. Together these zip codes are home to about 443 people.
Zip codes
1
Population
443
All zips combined
Largest zip
52309
443 residents
Zip codes in Monmouth
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 52309 | 443 | $56,250 |