Gardner is a medium-sized city located in the state of Massachusetts. With a population of 21,381 people and five associated neighborhoods, Gardner is the 92nd largest community in Massachusetts. Gardner has an unusually large stock of pre-World War II architecture, making it one of the older and more historic cities.

Also of interest is that Gardner 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: 11.98% 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.

One downside of living in Gardner is that it can take a long time to commute to work. In Gardner, the average commute to work is 30.67 minutes, which is quite a bit higher than the national average.

The population of Gardner overall has a level of education that is slightly above the US average for all US cities and towns of 21.84%. Of adults 25 and older in Gardner, 22.77% have at least a bachelor's degree.

The per capita income in Gardner in 2022 was $34,248, which is low income relative to Massachusetts, and middle income relative to the rest of the US. This equates to an annual income of $136,992 for a family of four. However, Gardner contains both very wealthy and poor people as well.

Gardner is a very ethnically-diverse city. The people who call Gardner home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Gardner residents report their race to be White, followed by Black or African-American. Important ancestries of people in Gardner include French Canadian, French, English, Irish, and Italian.

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