Plainfield is a medium-sized town located in the state of Connecticut. With a population of 15,315 people and three associated neighborhoods, Plainfield is the 76th largest community in Connecticut.

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

One interesting thing about the economy is that relatively large numbers of people worked from their home: 10.60% of the workforce. While this number may seem small overall, as a fraction of the total workforce this is high compared to the rest of the county. 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.

Plainfield’s overall crime rate ranks among the lowest in the nation, making it a very safe place to live.

It is a fairly quiet town because there are relatively few of those groups of people who have a tendency to be noisy. (Children, for example, often can't help themselves from being noisy, and being parents ourselves, we know!) Plainfield has relatively few families with children living at home, and is quieter because of it. Renters and college students, for their own reasons, can also be noisy. Plainfield has few renters and college students. But the biggest reason it is quieter in Plainfield than in most places in America, is that there are just simply fewer people living here. If you think trees make good neighbors, Plainfield may be for you.

Being a small town, Plainfield does not have a public transit system used by locals to get to and from work.

The percentage of adults in Plainfield with college degrees is slightly lower than the national average of 21.84% for all communities. 14.39% of adults in Plainfield have a bachelor's degree or advanced degree.

The per capita income in Plainfield in 2022 was $35,607, which is low income relative to Connecticut, and middle income relative to the rest of the US. This equates to an annual income of $142,428 for a family of four. However, Plainfield contains both very wealthy and poor people as well.

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

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