Seabrook is a somewhat small coastal town (i.e. on the ocean, a bay, or inlet) located in the state of New Hampshire. With a population of 8,438 people and three associated neighborhoods, Seabrook is the 37th largest community in New Hampshire.

Housing costs in Seabrook are among some of the highest in the nation, although real estate prices here don't compare to real estate prices in the most expensive communities in New Hampshire.

Of important note, Seabrook is also a town of artists. Seabrook has more artists, designers and people working in media than 90% of the communities in America. This concentration of artists helps shape Seabrook’s character.

Telecommuters are a relatively large percentage of the workforce: 8.39% 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.

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

Seabrook is also nautical, which means that parts of it are somewhat historic and touch the ocean or tidal bodies of water, such as inlets and bays. Such areas are often places that visitors and locals go for waterfront activities or taking in the scenery.

The education level of Seabrook citizens is a little higher than the average for US cities and towns: 23.48% of adults in Seabrook have at least a bachelor's degree.

The per capita income in Seabrook in 2022 was $50,664, which is upper middle income relative to New Hampshire, and wealthy relative to the rest of the US. This equates to an annual income of $202,656 for a family of four. However, Seabrook contains both very wealthy and poor people as well.

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

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