Woodbury County is a county located in the U.S. state of Iowa. As of the 2020 census, the population was 105,941, and was estimated to be 106,649 in 2025, making it the seventh-most populous county in Iowa. The county seat and the largest city is Sioux City.
- Country
- United States
- Inception
- 1851
- Website
- http://www.woodbury-ia.com
