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Data on this report is based on areas within the legal city boundary, outlined in black on the map. Any additional neighborhoods shown on the map are associated with the city by name and are included for reference only.

Killingly, CT
Real Estate & Demographic Data






Killingly profile


Living in Killingly



Killingly is a medium-sized town located in the state of Connecticut. With a population of 17,837 people and four associated neighborhoods, Killingly is the 66th largest community in Connecticut.

A relatively large number of people in Killingly telecommute to their jobs. Overall, about 9.61% 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.

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!) Killingly 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. Killingly has few renters and college students. But the biggest reason it is quieter in Killingly than in most places in America, is that there are just simply fewer people living here. If you think trees make good neighbors, Killingly may be for you.

The education level of Killingly citizens is a little higher than the average for US cities and towns: 22.94% of adults in Killingly have at least a bachelor's degree.

The per capita income in Killingly in 2022 was $36,074, which is low income relative to Connecticut, and upper middle income relative to the rest of the US. This equates to an annual income of $144,296 for a family of four. However, Killingly contains both very wealthy and poor people as well.

Killingly is a very ethnically-diverse town. The people who call Killingly home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Killingly residents report their race to be White, followed by Black or African-American. Killingly also has a sizeable Hispanic population (people of Hispanic origin can be of any race). People of Hispanic or Latino origin account for 14.36% of the town’s residents. Important ancestries of people in Killingly include French, English, Irish, Italian, and French Canadian.

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


Real Estate in Popular Killingly Neighborhoods

Zip Codes in Killingly, CT