South Sioux City ZIP code, Nebraska
The ZIP code for South Sioux City, NE is 68776, and its area codes are 402 and 531.
- USPS city name
- 1 ZIP code
- Overlapping the city
- 1 more
- Population
- 13,907
- County
- Dakota County
- State
- Nebraska
Mail addressed to South Sioux City uses the ZIP code above. 1 more ZIP code covers part of the city but is addressed as somewhere else; they are listed separately below.
South Sioux City in numbers
About 13,907 people live in South Sioux City, in 4,766 households, the 14th-largest of Nebraska's 580 census places. The median household income is $68,223 a year, 11% below the Nebraska median of $76,475 (US: $80,734). The median owner-occupied home is valued at $174,700 (27% below the Nebraska median), and median gross rent is $1,127 a month. The median age is 30.5; 15.5% of adults 25 and over hold a bachelor's degree or higher (34.6% across Nebraska); the average commute takes 12 minutes.
| Population | 13,907 |
|---|---|
| Households | 4,766 |
| Median age | 30.5 |
| Median household income | $68,223 |
| Median home value | $174,700 |
| Median gross rent | $1,127 |
| Bachelor's degree or higher | 15.5% |
| Mean commute | 12.2 min |
| Population density | 2,069 / sq mi |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place South Sioux City city. Survey estimates carry margins of error, wider for small places. Sources and methods.
ZIP codes addressed as South Sioux City
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
68776 | South Sioux City , NE | Standard | 15,373 | $68,750 | $179,800 |
Other ZIP codes overlapping South Sioux City
These ZIP codes cover part of South Sioux City but are addressed as somewhere else.
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
68731 | Dakota City , NE | Standard | 3,469 | $79,924 | $205,600 |
Map of South Sioux City ZIP codes
The ZIP codes of South Sioux City, NE, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
Towns near South Sioux City
The nearest larger towns are Sioux City, IA (86,101 people, 2.6 mi), Yankton, SD (15,540 people, 58 mi) and Norfolk (26,054 people, 60 mi).
| Town | Population | Distance |
|---|---|---|
| Sioux City, IA | 86,101 | 2.6 mi |
| Dakota City | 2,675 | 3.1 mi |
| Dakota Dunes, SD | 3,936 | 4.1 mi |
| Sergeant Bluff, IA | 5,171 | 5.5 mi |
| North Sioux City, SD | 3,045 | 6.6 mi |
| Elk Point, SD | 2,537 | 20.4 mi |
| Le Mars, IA | 10,640 | 25.2 mi |
More nearby: every ZIP code in Dakota County · Nebraska ZIP codes
Cite this page
zipcodes.pro. “South Sioux City, NE ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ne/south-sioux-city
Underlying data is public domain or openly licensed — sources, vintages and licences.