Leominster is a medium-sized city located in the state of Massachusetts. With a population of 43,646 people and ten associated neighborhoods, Leominster is the 33rd largest community in Massachusetts.

Also of interest is that Leominster 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 Leominster telecommute to their jobs. Overall, about 10.15% 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.

The education level of Leominster citizens is substantially higher than the typical US community, as 33.12% of adults in Leominster have at least a bachelor's degree.

The per capita income in Leominster in 2022 was $43,956, which is lower middle income relative to Massachusetts, and upper middle income relative to the rest of the US. This equates to an annual income of $175,824 for a family of four. However, Leominster contains both very wealthy and poor people as well.

Leominster is a very ethnically-diverse city. The people who call Leominster home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Leominster residents report their race to be White, followed by Black or African-American. Leominster also has a sizeable Hispanic population (people of Hispanic origin can be of any race). People of Hispanic or Latino origin account for 13.92% of the city’s residents. Important ancestries of people in Leominster include Irish, Italian, English, French, and French Canadian.

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