Woodbury County, Iowa ZIP Codes
- ZIP records
20 - Cities represented
15 - Sum of listed ZIP population estimates
97,439
Population sum includes positive estimates in these ZIP records; it is not an official county population.
Top ZIP Codes by Population
| Rank | ZIP Code | City | Population estimate |
|---|---|---|---|
| 1 | 51106 | Sioux City | 28,592 |
| 2 | 51104 | Sioux City | 23,197 |
| 3 | 51103 | Sioux City | 16,895 |
| 4 | 51105 | Sioux City | 10,415 |
| 5 | 51054 | Sergeant Bluff | 5,583 |
| 6 | 51039 | Moville | 2,845 |
| 7 | 51030 | Lawton | 1,468 |
| 8 | 51055 | Sloan | 1,346 |
| 9 | 51016 | Correctionville | 1,080 |
| 10 | 51052 | Salix | 1,050 |
Cities in Woodbury County
- Anthon
- Bronson
- Climbing Hill
- Correctionville
- Danbury
- Hornick
- Lawton
- Moville
- Oto
- Pierson
- Salix
- Sergeant Bluff
- Sioux City
- Sloan
- Smithland
ZIP Directory
- ZIP 51004
- ZIP 51007
- ZIP 51015
- ZIP 51016
- ZIP 51019
- ZIP 51026
- ZIP 51030
- ZIP 51039
- ZIP 51044
- ZIP 51048
- ZIP 51052
- ZIP 51054
- ZIP 51055
- ZIP 51056
- ZIP 51101
- ZIP 51103
- ZIP 51104
- ZIP 51105
- ZIP 51106
- ZIP 51111
Methodology: Records are grouped by the source file's listed county and state. Population sums add positive ZIP-level estimates and are not official county totals; city counts use distinct city labels in the source.