Sioux City, Iowa

Sioux City is a city in Iowa, United States. It is located in Woodbury County and Plymouth County, and is the county seat of Woodbury County. Sioux City is the fourth-largest city in Iowa, with a population of 85,797 at the 2020 census.^[2] The city sits near two major rivers, the Missouri River and the Big Sioux River.

Sioux City, Iowa
City
Left to right, from top: Downtown Sioux City, First Presbyterian Church, Sioux City Orpheum, Sioux City Museum, and the Wilbur Aalfs Library
Location in Iowa
Sioux City Show map of Iowa Sioux City Show map of the United States
Coordinates: 42°29′53″N 96°23′44″W[1]
Country	United States
State	Iowa
Counties	Woodbury, Plymouth
Founded	1854
Incorporated	1857
Area [1]
• City	59.63 sq mi (154.4 km2)
• Land	58.46 sq mi (151.4 km2)
• Water	1.165 sq mi (3.02 km2)
Elevation	1,201 ft (366 m)
Population  (2020)[2]
• City	85,797
• Rank	US: 407th IA: 4th
• Density	1,467.6/sq mi (566.65/km2)
• Urban	113,066 (US: 298th)
• Metro	144,334 (US: 293rd)
• CSA	170,032
Time zone	UTC−6 (Central)
• Summer (DST)	UTC−5 (Central)
ZIP Codes	51101–51104, 51106-51108, 51109-51111
Area code	712
FIPS code	19-73335
GNIS feature ID	0461653
Website	sioux-city.org