Woodbury County, Iowa

Woodbury County, Iowa
The Woodbury County Courthouse in Sioux City
Location within the U.S. state of Iowa
Coordinates: 42°23′36″N 96°03′12″W / 42.393220°N 96.053296°W / 42.393220; -96.053296
Country United States
State Iowa
FoundedJanuary 15, 1851 (created)
March 7, 1853 (organized)
Named afterLevi Woodbury
SeatSioux City
Largest citySioux City
Area
 • Total
877.836 sq mi (2,273.58 km2)
 • Land872.896 sq mi (2,260.79 km2)
 • Water4.940 sq mi (12.79 km2)  0.56%
Population
 (2020)
 • Total
105,941
 • Estimate 
(2024)
107,257
 • Density121.367/sq mi (46.8602/km2)
Time zoneUTC−6 (Central)
 • Summer (DST)UTC−5 (CDT)
Area code712
Congressional district4th
Websitewoodburycountyiowa.gov
  • Iowa county number 97

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 107,257 in 2024, making it the seventh-most populous county in Iowa. The county seat and the largest city is Sioux City.

Woodbury County is included in the Sioux City metropolitan area.