South Sioux City city, Nebraska
Official LSAD Designation: South Sioux City city • Census GEOID: 3146030
• Dakota County
South Sioux City city is an incorporated city in Dakota County, Nebraska. According to official records from the Census (2025), South Sioux City city had an estimated population of 14,158 residents. Official Census Bureau geographic records classify this community under LSAD designation South Sioux City city (GEOID 3146030).
Local Government Administration U.S. Census Bureau GMAF
City Of South Sioux City
Municipal
Official Title:
City Administrator
Address:
1615 1ST AVE, SOUTH SIOUX CITY NE 68776-2245
County Of Dakota
County
Official Title:
County Clerk
Address:
PO BOX 39, DAKOTA CITY NE 68731-0039
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 14,158 | 2025 |
| Median Household Income | $68,223 | 2020-2024 |
| Median Home Value | $174,700 | 2020-2024 |
| Land Area | 6.82 sq mi | Gazetteer (2026) |
| Civic & Public Services | Hospitals, Libraries, Colleges | CMS / IMLS / IPEDS |
| Schools & Districts | NCES Directory Listings | Provided by k12guides.com |
| Nearby Airports | Landing Facilities | Provided by airport-data.com |
| Climate & Weather | NOAA 30-Year Normals | 1991–2020 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).