North Sioux City, South Dakota
City
North Sioux City city hall
Location in Union County and the state of South Dakota
Coordinates: 42°32′06″N 96°29′59″W / 42.53500°N 96.49972°W / 42.53500; -96.49972
Country	United States
State	South Dakota
County	Union
Incorporated	1951[1]
Area [2]
• Total	2.71 sq mi (7.02 km2)
• Land	2.68 sq mi (6.94 km2)
• Water	0.03 sq mi (0.07 km2)
Elevation [3]	1,109 ft (338 m)
Population  (2020)[4]
• Total	3,042
• Density	1,134.65/sq mi (438.08/km2)
Time zone	UTC-6 (Central (CST))
• Summer (DST)	UTC-5 (CDT)
ZIP code	57049
Area code	605
FIPS code	46-45700
GNIS feature ID	1267510[3]
Website	northsiouxcity-sd.gov

North Sioux City is a city in the far southeastern part of the U.S. state of South Dakota. It is located in Union County, near the junction of the Missouri River and the Big Sioux River. North Sioux City is near the borders of Iowa and Nebraska, and it is a suburb of Sioux City, Iowa. It became a city in 1951,^[5] and 3,042 people lived there at the 2020 census.^[4]

• City of North Sioux City website

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