| ZIP Code | 51003 |
| City | Alton |
| State | Iowa (IA) |
| County | Alton County |
| Coordinates | 42.9782000, -96.0173000 |
| Population | 668 |
| Median Household Income | $73,400 |
| Median Home Value | $136,000 |
| Unemployment Rate | 7.9% |
| ZIP Type | STANDARD |
| Country | United States |
51003 is a sparsely populated ZIP code covering Alton in Iowa, the United States. This area falls under Alton County County.
Alton has a reported population of 668. It's a quieter, less populous area than the typical Iowa ZIP code (avg. ~22,608).
Median household income is about $73,400 (near the Iowa average).
Nearby communities in Iowa include Montour, Cresco, Davenport.
The ZIP code for Alton, Iowa is 51003.
51003 is located in Alton County County, Iowa.
The population of 51003 (Alton) is approximately 668 people.
51003 is less populated than the typical Iowa ZIP code, which averages around 22,608 people.
ZIP code codes near 51003 include 50173, 52136, 52805.