Greenfield is a medium-sized city located in the state of Wisconsin. With a population of 37,071 people and nine associated neighborhoods, Greenfield is the 20th largest community in Wisconsin.

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

Telecommuters are a relatively large percentage of the workforce: 10.66% 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.

The education level of Greenfield citizens is substantially higher than the typical US community, as 31.00% of adults in Greenfield have at least a bachelor's degree.

The per capita income in Greenfield in 2018 was $40,221, which is upper middle income relative to Wisconsin and the nation. This equates to an annual income of $160,884 for a family of four. However, Greenfield contains both very wealthy and poor people as well.

Greenfield is a very 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. Greenfield also has a sizeable Hispanic population (people of Hispanic origin can be of any race). People of Hispanic or Latino origin account for 14.33% of the city’s residents. Important ancestries of people in Greenfield include German, Polish, Irish, Norwegian, and English.

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