Founded on Jan 12, 1853, Woodbury County is one of 99 counties in the state of Iowa. Historically, Woodbury County was formed from Wahkaw County (renamed), Polk County. The city of Sioux City is the county seat. With FIPS code of 193, Woodbury County has a population of 105,607 and area of 873 square miles (2,261 km2).
List of all cities in Woodbury County, IA alphabetically
| City/Town | Postal Code | Area Code |
| Anthon, IA | 51004 | 712 |
| Blvd Station, IA | 51109 | 712 |
| Bronson, IA | 51007 | 712 |
| Climbing Hill, IA | 51015 | 712 |
| 51026 | 712 | |
| Correctionville, IA | 51016 | 712 |
| Cushing, IA | 51018 | 712 |
| Danbury, IA | 51019 | 712 |
| Hornick, IA | 51026 | 712 |
| James, IA | 51108 | 712 |
| Lawton, IA | 51030 | 712 |
| Luton, IA | 51052 | 712 |
| Moville, IA | 51039 | 712 |
| Oto, IA | 51044 | 712 |
| Owego, IA | 51052 | 712 |
| Pierson, IA | 51048 | 712 |
| Salix, IA | 51052 | 712 |
| Sergeant Bluff, IA | 51054 | 712 |
| Sgt Bluff, IA | 51054 | 712 |
| Sioux City, IA | 51101 | 712 |
| 51102 | 712 | |
| 51103 | 712 | |
| 51104 | 712 | |
| 51105 | 712 | |
| 51106 | 712 | |
| 51108 | 712 | |
| 51109 | 712 | |
| 51111 | 712 | |
| Sloan, IA | 51055 | 712 |
| Smithland, IA | 51056 | 712 |
| Wickham Spur, IA | 51101 | 712 |