5 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 69361 | Scottsbluff | 16,965 |
| 69357 | Mitchell | 3,563 |
| 69358 | Morrill | 1,976 |
| 69346 | Harrison | 475 |
| 69354 | Marsland | 141 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 5 ZCTAs in Sioux County, Nebraska (US Census).