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North Sioux City, South Dakota facts for kids

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North Sioux City, South Dakota
North Sioux City city hall
North Sioux City city hall
Location in Union County and the state of South Dakota
Location in Union County and the state of South Dakota
Country United States
State South Dakota
County Union
Incorporated 1951
 • Total 2.71 sq mi (7.02 km2)
 • Land 2.68 sq mi (6.94 km2)
 • Water 0.03 sq mi (0.07 km2)
1,099 ft (335 m)
 • Total 2,530
 • Estimate 
 • Density 1,092.54/sq mi (421.79/km2)
Time zone UTC−6 (Central (CST))
 • Summer (DST) UTC−5 (CDT)
ZIP code
Area code(s) 605
FIPS code 46-45700
GNIS feature ID 1256778

North Sioux City is a city in Union County, South Dakota, United States. The population was 2,530 at the 2010 census. It is part of the Sioux City, IA-NE-SD Metropolitan Statistical Area.


The southern tip of this land between the Missouri River from the west and south and the Big Sioux River from the north and east was a meeting place for Native American Indians traveling the two rivers. Area tribes current to the 1804 Lewis and Clark expedition were the Omaha, Yankton Dakota and Ponca, all Siouan language speakers.

French-Canadian farmer Joseph La Plant, born ca. 1823 in Indiana, settled at Sioux Point in 1849 and is listed with other early settlers in the 1860 census as living "Between Big Sioux and Big Stone Lake" in the "Unorganized" area of Minnesota, with the closest post office located immediately down and across the rivers in Sioux City, Iowa.

North Sioux City was incorporated in 1951.


North Sioux City is located at 42°31′52″N 96°29′44″W / 42.53111°N 96.49556°W / 42.53111; -96.49556 (42.530999, -96.495494), bounded on the east by the Big Sioux River and on the west by the oxbow McCook Lake.

According to the United States Census Bureau, the city has a total area of 2.29 square miles (5.93 km2), of which, 2.26 square miles (5.85 km2) is land and 0.03 square miles (0.08 km2) is water.

North Sioux City has been assigned the ZIP code 57049 and the FIPS place code 45700.


Historical population
Census Pop.
1960 736
1970 860 16.8%
1980 1,992 131.6%
1990 2,019 1.4%
2000 2,288 13.3%
2010 2,530 10.6%
U.S. Decennial Census
2018 Estimate

2010 census

At the 2010 census there were 2,530 people, 1,073 households, and 679 families living in the city. The population density was 1,119.5 inhabitants per square mile (432.2/km2). There were 1,146 housing units at an average density of 507.1 per square mile (195.8/km2). The racial makeup of the city was 93.5% White, 0.6% African American, 1.3% Native American, 0.6% Asian, 0.1% Pacific Islander, 1.4% from other races, and 2.6% from two or more races. Hispanic or Latino of any race were 3.8%.

Of the 1,073 households 31.5% had children under the age of 18 living with them, 46.3% were married couples living together, 12.0% had a female householder with no husband present, 4.9% had a male householder with no wife present, and 36.7% were non-families. 30.3% of households were one person and 10.2% were one person aged 65 or older. The average household size was 2.36 and the average family size was 2.93.

The median age was 37.4 years. 24.7% of residents were under the age of 18; 7.7% were between the ages of 18 and 24; 27% were from 25 to 44; 27.4% were from 45 to 64; and 13.1% were 65 or older. The gender makeup of the city was 49.0% male and 51.0% female.

Major businesses

North Sioux City is the former home of Gateway, Inc., the area's most well-known employer. At its height, Gateway employed over 6000 employees. After Acer Computers bought out the majority of Gateway (MPC of Idaho purchased the business portion) in late 2007, several layoffs have taken place. Fewer than 100 people have jobs at the original facility. Acer has expressed interest in selling the facility.

Other companies are renting from the facility, including Alorica, which absorbed a number of Gateway phone jobs. They are handling the AT&T account.

On August 18, 2008, MPC announced the lay-offs of 55 people currently employed (who were all former Gateway employees). On October 17, 2008 MPC laid-off 98 more employees at the former Gateway facility, many of whom were former Gateway employees.


North Sioux City Public Schools are part of the Dakota Valley School District (South Dakota). The Dakota Valley School District has one elementary school, one middle school, and one high school.

Students attend Dakota Valley High School.

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