Alton, Iowa
Alton is a city in Sioux County, Iowa, with an estimated population of 1,243 in 2023. It sits at 42.9877, -96.0094 in the America/Chicago time zone.
| Field | Value |
|---|---|
| Place name | Alton |
| Type | city |
| State | Iowa (IA) |
| County | Sioux County |
| Population (2023 est.) | 1,243 |
| Land area | 1.90 sq mi (4.93 km²) |
| Coordinates | 42.9877, -96.0094 |
| Time zone | America/Chicago |
| ZIP codes | 51003 |
ZIP codes and area codes for Alton
Alton covers 1 ZIP code: 51003. Browse all ZIP codes in Iowa for the full list.
Where is Alton?
Alton is located in Iowa, in Sioux County. The coordinates above can be pasted directly into any map service. The nearest indexed places are listed below, which is a useful check when two states share a place name.
Nearby places
Orange City 4 km · IAGranville 11 km · IAHospers 13 km · IAMaurice 14 km · IASioux Center 16 km · IARemsen 19 km · IABoyden 22 km · IAHull 25 km · IA
Other places in Sioux County
Sioux Center 8,543Orange City 6,397Rock Valley 4,045Hawarden 2,644Hull 2,432Hospers 706Boyden 697Ireton 578Granville 303Maurice 272
Related
Frequently asked questions
What county is Alton, IA in?
Alton is in Sioux County, Iowa.
What is the population of Alton, IA?
The 2023 Census Bureau estimate is 1,243.
What time zone is Alton in?
Alton is in the America/Chicago time zone.