Newmarket 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 9,414 people and three associated neighborhoods, Newmarket is the 30th largest community in New Hampshire.

Housing costs in Newmarket 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.

Also of interest is that Newmarket 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 Newmarket telecommute to their jobs. Overall, about 12.69% 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.

Newmarket 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. Quite often, nautical areas such as these attract visitors and locals who come to enjoy the scenery and various waterfront activities.

In Newmarket, however, the average commute to work is quite long. On average, people spend 30.22 minutes each day getting to work, which is significantly higher than the national average.

The citizens of Newmarket are among the most well-educated in the nation: 49.59% of adults in Newmarket have a bachelor's degree or even advanced degree, whereas the average US city has 21.84% holding at least a bachelor's degree.

The per capita income in Newmarket in 2022 was $51,411, 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 $205,644 for a family of four.

The people who call Newmarket home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Newmarket residents report their race to be White, followed by Asian. Important ancestries of people in Newmarket include English, Irish, Italian, Scottish, and French Canadian.

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