| ZIP Code | 51111 |
| City | Sioux City |
| State | Iowa (IA) |
| County | Woodbury |
| Timezone | America/Chicago |
| Coordinates | 42.4112900, -96.3860600 |
| Population | 39 |
| ZIP Type | STANDARD |
| Country | United States |
Located in Iowa, the United States is home to the sparsely populated community of Sioux City, served by ZIP code 51111. It sits within Woodbury County.
Around 39 people live in the 51111 ZIP code area. That's below the Iowa average of about 3,313 people per ZIP code.
Population density runs around 2 people per sq. mile, making it a rural area.
Nearby communities in Iowa include Ankeny, Cedar Falls, Dubuque.
The ZIP code for Sioux City, Iowa is 51111.
51111 is located in Woodbury County, Iowa.
The population of 51111 (Sioux City) is approximately 39 people.
51111 is less populated than the typical Iowa ZIP code, which averages around 3,313 people.
ZIP code codes near 51111 include 50023, 50613, 52001.