City
Alton, IA ZIP codes
1 ZIP, including 51003 as primary city.
Map of Alton
ZIP code map
ZIP share of this city
Population share
- 5100372.6%
Primary city
ZIP codes in Alton
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 51003 | Alton | Sioux County | 1,815 | $85,909 |
City
1 ZIP, including 51003 as primary city.
Primary city
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 51003 | Alton | Sioux County | 1,815 | $85,909 |