Westfield is a medium-sized city located in the state of Massachusetts. With a population of 40,535 people and eight associated neighborhoods, Westfield is the 39th largest community in Massachusetts.

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

The education level of Westfield citizens is substantially higher than the typical US community, as 32.62% of adults in Westfield have at least a bachelor's degree.

The per capita income in Westfield in 2018 was $38,979, which is low income relative to Massachusetts, and upper middle income relative to the rest of the US. This equates to an annual income of $155,916 for a family of four. However, Westfield contains both very wealthy and poor people as well.

Westfield is a somewhat ethnically-diverse city. The people who call Westfield home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Westfield residents report their race to be White, followed by Asian. Westfield also has a sizeable Hispanic population (people of Hispanic origin can be of any race). People of Hispanic or Latino origin account for 10.37% of the city’s residents. Important ancestries of people in Westfield include Irish, Polish, Italian, French, and English.

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