Swansea is a medium-sized coastal town (i.e. on the ocean, a bay, or inlet) located in the state of Massachusetts. With a population of 17,537 people and three associated neighborhoods, Swansea is the 118th largest community in Massachusetts.

Housing costs in Swansea are among some of the highest in the nation, although real estate prices here don't compare to real estate prices in the most expensive communities in Massachusetts.

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.

A relatively large number of people in Swansea telecommute to their jobs. Overall, about 7.41% 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.

Swansea is a good choice for families with children because of several factors. Many other families with children live here, making it a place where both parents and children are more likely to develop social ties with other families. The town’s good public school district and large population of college-educated adults provide an environment conducive to academic success. Many people own their own single-family homes, providing areas for children to play and stability in the community. Finally, Swansea’s overall crime rate is lower than average for the country.

One of the nice things about Swansea is that it is nautical, which means that parts of it are somewhat historic and touch the ocean or tidal bodies of water, such as inlets and bays. Because of this, visitors and locals will often go to these areas to take in the scenery or to enjoy waterfront activities.

The education level of Swansea citizens is very high relative to the national average among all cities (21.84%): 36.81% of adults in Swansea have a bachelor's degree or even advanced degree.

The per capita income in Swansea in 2022 was $48,930, which is lower middle income relative to Massachusetts, and wealthy relative to the rest of the US. This equates to an annual income of $195,720 for a family of four.

Swansea is a somewhat ethnically-diverse town. 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 Asian. Important ancestries of people in Swansea include Portuguese, Irish, French, English, and Italian.

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