100 Smallest ZIP Codes in the United States by Population in Woodbury County, Iowa
Explore the 100 smallest ZIP codes in the United States ranked by population using U.S. Census demographic data. This page lists ZIP codes located in Woodbury County, Iowa.
| Rank | ZIP Code | City | State | Population |
|---|---|---|---|---|
| 1 | 51015 | CLIMBING HILL | IA | 71 |
| 2 | 51111 | SIOUX CITY | IA | 124 |
| 3 | 51044 | OTO | IA | 216 |
| 4 | 51056 | SMITHLAND | IA | 464 |
| 5 | 51048 | PIERSON | IA | 525 |
| 6 | 51019 | DANBURY | IA | 566 |
| 7 | 51007 | BRONSON | IA | 569 |
| 8 | 51018 | CUSHING | IA | 613 |
| 9 | 51004 | ANTHON | IA | 863 |
| 10 | 51052 | SALIX | IA | 1,001 |
| 11 | 51026 | HORNICK | IA | 1,057 |
| 12 | 51101 | SIOUX CITY | IA | 1,070 |
| 13 | 51016 | CORRECTIONVILLE | IA | 1,118 |
| 14 | 51055 | SLOAN | IA | 1,271 |
| 15 | 51030 | LAWTON | IA | 1,586 |
| 16 | 51039 | MOVILLE | IA | 2,648 |
| 17 | 51109 | SIOUX CITY | IA | 3,619 |
| 18 | 51054 | SERGEANT BLUFF | IA | 5,416 |
| 19 | 51108 | SIOUX CITY | IA | 5,555 |
| 20 | 51105 | SIOUX CITY | IA | 11,214 |
| 21 | 51103 | SIOUX CITY | IA | 17,005 |
| 22 | 51104 | SIOUX CITY | IA | 22,759 |
| 23 | 51106 | SIOUX CITY | IA | 27,652 |