Greenfield is a medium-sized city located in the state of Massachusetts. With a population of 17,633 people and six associated neighborhoods, Greenfield is the 115th largest community in Massachusetts. Greenfield has an unusually large stock of pre-World War II architecture, making it one of the older and more historic cities.

Telecommuters are a relatively large percentage of the workforce: 11.88% of people work from home. While this number may seem small overall, as a fraction of the total workforce it is high relative to the nation. 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 19.21 minutes getting to work every day.

The education level of Greenfield citizens is very high relative to the national average among all cities (21.84%): 39.15% of adults in Greenfield have a bachelor's degree or even advanced degree.

The per capita income in Greenfield in 2022 was $35,425, which is low income relative to Massachusetts, and middle income relative to the rest of the US. This equates to an annual income of $141,700 for a family of four. However, Greenfield contains both very wealthy and poor people as well.

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

The most common language spoken in Greenfield is English. Other important languages spoken here include Spanish and Other Indo-European.