Sioux City, Iowa

Sioux City
Interactive map of Sioux City
Sioux City
Sioux City
Coordinates: 42°29′53″N 96°23′44″W / 42.49806°N 96.39556°W / 42.49806; -96.39556
CountryUSA
StateIowa
CountiesWoodbury, Plymouth
Founded1854
Incorporated1857
Government
  MayorBob Scott
  City ManagerRobert Padmore
Area
  City
59.63 sq mi (154.4 km2)
  Land58.46 sq mi (151.4 km2)
  Water1.165 sq mi (3.02 km2)
Elevation
1,102 ft (336 m)
Population
 (2020)
  City
85,797
  Rank
  • US: 407th
  • IA: 4th
  Density1,467.6/sq mi (566.65/km2)
  Urban
106,494 (US: 292nd)
  Metro
149,940 (US: 284th)
  CSA
175,638
Time zoneUTC−6 (Central)
  Summer (DST)UTC−5 (Central)
ZIP Codes
51101–51104, 51106-51108, 51109-51111
Area code712
FIPS code19-73335
GNIS feature ID468720
Websitesioux-city.org

Sioux City (/s/) is a city in Woodbury and Plymouth counties in the U.S. state of Iowa. The population was 85,797 in the 2020 census, making it the fourth-most populous city in Iowa. The county seat of Woodbury County, Sioux City is the primary city of the five-county Sioux City metropolitan area, which had 149,940 residents in 2020. Sioux City and the surrounding areas of northwestern Iowa, northeastern Nebraska and southeastern South Dakota are sometimes referred to collectively as Siouxland.

Sioux City is located at the navigational head of the Missouri River. The city is home to several cultural points of interest including the Sioux City Public Museum, Sioux City Art Center and Sergeant Floyd Monument, which is a National Historic Landmark. The city is also home to Chris Larsen Park, commonly referred to as "the Riverfront", which includes the Anderson Dance Pavilion, Sergeant Floyd River Museum & Welcome Center and Lewis and Clark Interpretive Center.