Swansea is a somewhat small village located in the state of Illinois. With a population of 14,112 people and three associated neighborhoods, Swansea is the 169th largest community in Illinois.

Also of interest is that Swansea has more people living here who work in computers and math than 95% of the places in the US.

One interesting thing about the economy is that relatively large numbers of people worked from their home: 10.93% of the workforce. While this number may seem small overall, as a fraction of the total workforce this is high compared to the rest of the county. 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.

The education level of Swansea ranks among the highest in the nation. Of the 25-and-older adult population in Swansea, 43.89% have at least a bachelor's degree. The typical US community has just 21.84% of its adults holding a bachelor's degree or graduate degree.

The per capita income in Swansea in 2022 was $45,237, which is wealthy relative to Illinois and the nation. This equates to an annual income of $180,948 for a family of four.

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

The most common language spoken in Swansea is English. Other important languages spoken here include Chinese and Korean.