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zipcodes.pro — CITY/SD/NORTH-SIOUX-CITY

North Sioux City ZIP code, South Dakota

The ZIP code for North Sioux City, SD is 57049, and its area code is 605.

USPS city name
1 ZIP code
Population
3,045
Area code
605

North Sioux City in numbers

About 3,045 people live in North Sioux City, in 1,591 households, the 25th-largest of South Dakota's 439 census places. The median household income is $71,908 a year, 4% below the South Dakota median of $75,081 (US: $80,734). The median owner-occupied home is valued at $269,800 (5% above the South Dakota median), and median gross rent is $1,098 a month. The median age is 36.6; 25.8% of adults 25 and over hold a bachelor's degree or higher (31.9% across South Dakota); the average commute takes 14 minutes.

Population3,045North Sioux City3,045
Households1,591North Sioux City1,591
Median age36.6North Sioux City36.6South Dakota38.0US 38.9
Median household income$71,908North Sioux City$71,908South Dakota$75,081US $80,734
Median home value$269,800North Sioux City$269,800South Dakota$257,400US $332,700
Median gross rent$1,098North Sioux City$1,098South Dakota$946US $1,413
Bachelor's degree or higher25.8%North Sioux City25.8%South Dakota31.9%US 35.7%
Mean commute14.1 minNorth Sioux City14.1 minSouth Dakota17.8 minUS 26.4 min
Population density913 / sq miNorth Sioux City913 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place North Sioux City city. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as North Sioux City

ZIP codes with the USPS city name North Sioux City
ZIP City Type Population Median income Median home
57049 North Sioux City , SD Standard 7,962 $93,134 $432,100

Map of North Sioux City ZIP codes

57049

The ZIP codes of North Sioux City, SD, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near North Sioux City

The nearest larger towns are Dakota Dunes (3,936 people, 3.2 mi), Sioux City, IA (86,101 people, 6.0 mi) and South Sioux City, NE (13,907 people, 6.6 mi).

Towns near North Sioux City
TownPopulationDistance
Dakota Dunes 3,936 3.2 mi
Sioux City, IA 86,101 6.0 mi
South Sioux City, NE 13,907 6.6 mi
Dakota City, NE 2,675 9.0 mi
Sergeant Bluff, IA 5,171 12.0 mi
Elk Point 2,537 13.8 mi
Le Mars, IA 10,640 23.6 mi
Vermillion 11,878 27.7 mi

More nearby: every ZIP code in Union County · South Dakota ZIP codes

Cite this page

zipcodes.pro. “North Sioux City, SD ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/sd/north-sioux-city

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