Plainville is a medium-sized town located in the state of Connecticut. With a population of 17,479 people and five associated neighborhoods, Plainville is the 69th largest community in Connecticut.

Also of interest is that Plainville 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 Plainville telecommute to their jobs. Overall, about 7.50% 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 overall education level of Plainville is somewhat higher than in the average US city of 21.84%: 27.31% of adults 25 and older in the town have at least a bachelor's degree.

The per capita income in Plainville in 2022 was $44,406, which is lower middle income relative to Connecticut, and upper middle income relative to the rest of the US. This equates to an annual income of $177,624 for a family of four. However, Plainville contains both very wealthy and poor people as well.

Plainville is a very ethnically-diverse town. The people who call Plainville home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Plainville residents report their race to be White, followed by Asian. Plainville also has a sizeable Hispanic population (people of Hispanic origin can be of any race). People of Hispanic or Latino origin account for 11.96% of the town’s residents. Important ancestries of people in Plainville include Italian, Polish, Irish, French, and German.

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