North Sioux City is a very small city located in the state of South Dakota. With a population of 3,048 people and two associated neighborhoods, North Sioux City is the 43rd largest community in South Dakota. Much of the housing stock in North Sioux City was built relatively recently. The construction of new real estate can often be taken as an indication that the local North Sioux City economy is robust, and that jobs or other amenities are attracting an influx of new residents. This seems to be the case in North Sioux City, where the median household income is $76,481.00.

Compared to the rest of the country, citizens of North Sioux City spend much less time in their cars: on average, their commute to work is only 18.46 minutes. This also means that noise and pollution levels in the city are less than they would otherwise be.

Being a small city, North Sioux City does not have a public transit system used by locals to get to and from work.

The percentage of people in North Sioux City who are college-educated is somewhat higher than the average US community of 21.84%: 27.76% of adults in North Sioux City have at least a bachelor's degree.

The per capita income in North Sioux City in 2022 was $42,673, which is wealthy relative to South Dakota, and upper middle income relative to the rest of the US. This equates to an annual income of $170,692 for a family of four. However, North Sioux City contains both very wealthy and poor people as well.

North Sioux City is a somewhat ethnically-diverse city. The people who call North Sioux City home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of North Sioux City residents report their race to be White, followed by Black or African-American. Important ancestries of people in North Sioux City include German, Irish, English, Norwegian, and French.

The most common language spoken in North Sioux City is English. Other important languages spoken here include Spanish and Italian.