North Sioux City, South Dakota

North Sioux City population, 2020 to 2024

North Sioux City added 14 residents from July 2020 to July 2024, a change of +0.5%. In the latest year it moved by +9.

North Sioux City covers 3.34 square miles of land and 0.13 of water, for 916 people per square mile of land. The median South Dakota place of 5,000+ has 1,459, so North Sioux City is less dense than the typical town.

What county North Sioux City is in

All of North Sioux City's residents live in Union County, which had 17,402 residents in 2024. North Sioux City holds 17.6% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in North Sioux City

1 ZIP Code Tabulation Area (ZCTA) overlaps North Sioux City by at least 10% of the ZCTA's or the city's land: 57049. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.

Where North Sioux City is

The Census internal point of North Sioux City is at 42.535900, -96.494700. Pierre, the capital, is 230.9 miles NW in a straight line. The nearest larger place is Sioux City, IA (86,875 people), 6.0 miles away. The nearest city of 100,000 or more is Sioux Falls, SD, 70.5 miles away.

Daylight in North Sioux City

At 42.54° N, North Sioux City gets about 15 h 18 min of daylight around the June solstice and 9 h 03 min around the December solstice, a swing of 6 h 15 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near North Sioux City

The eight nearest incorporated places of 1,000+ in South Dakota, measured between internal points. The closest is Elk Point, 13.8 miles away, with 2,074 people.