South Sioux City is a medium-sized city located in the state of Nebraska. With a population of 13,856 people and three associated neighborhoods, South Sioux City is the 15th largest community in Nebraska.

A relatively large number of people in South Sioux City telecommute to their jobs. Overall, about 7.74% of the workforce works from home. While this may seem like a small number, as a fraction of the total workforce it ranks among the highest in the country. These workers are often telecommuters who work in knowledge-based, white-collar professions. For example, Silicon Valley has large numbers of people who telecommute. Other at-home workers may be self-employed people who operate small businesses out of their homes.

Residents of the city have the good fortune of having one of the shortest daily commutes compared to the rest of the country. On average, they spend only 14.36 minutes getting to work every day.

The percentage of adults in South Sioux City with college degrees is slightly lower than the national average of 21.84% for all communities. 15.89% of adults in South Sioux City have a bachelor's degree or advanced degree.

The per capita income in South Sioux City in 2022 was $28,273, which is low income relative to Nebraska, and lower middle income relative to the rest of the US. This equates to an annual income of $113,092 for a family of four. However, South Sioux City contains both very wealthy and poor people as well.

South Sioux City is an extremely ethnically-diverse city. The people who call South Sioux City home describe themselves as belonging to a variety of racial and ethnic groups. People of Hispanic or Latino origin are the most prevalent group in South Sioux City, accounting for 51.94% of the city’s residents (people of Hispanic or Latino origin can be of any race). The greatest number of South Sioux City residents report their race to be White, followed by Black or African-American. Important ancestries of people in South Sioux City include German, Irish, English, Ethiopian, and Somalian.

Foreign born people are also an important part of South Sioux City's cultural character, accounting for 31.31% of the city’s population.

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