South Hadley is a medium-sized town located in the state of Massachusetts. With a population of 18,046 people and four associated neighborhoods, South Hadley is the 112th largest community in Massachusetts.

Also of interest is that South Hadley 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 South Hadley telecommute to their jobs. Overall, about 15.82% 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.

Because there are quite a few people attending college in South Hadley, it is thought of as a college town. To the benefit of the many students in the area, South Hadley provides a number of services, amenities and opportunities geared towards their needs and activities.

The citizens of South Hadley are among the most well-educated in the nation: 49.05% of adults in South Hadley have a bachelor's degree or even advanced degree, whereas the average US city has 21.84% holding at least a bachelor's degree.

The per capita income in South Hadley in 2022 was $50,904, which is middle income relative to Massachusetts, and wealthy relative to the rest of the US. This equates to an annual income of $203,616 for a family of four. However, South Hadley contains both very wealthy and poor people as well.

South Hadley is a somewhat ethnically-diverse town. The people who call South Hadley home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of South Hadley residents report their race to be White, followed by Asian. Important ancestries of people in South Hadley include Irish, French, Polish, English, and Italian.

The most common language spoken in South Hadley is English. Other important languages spoken here include Chinese and Spanish.