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.

Telecommuters are a relatively large percentage of the workforce: 12.69% 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.

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.

One downside of living in Newmarket is that it can take a long time to commute to work. In Newmarket, the average commute to work is 30.22 minutes, which is quite a bit higher than the national average.

The education level of Newmarket ranks among the highest in the nation. Of the 25-and-older adult population in Newmarket, 49.59% have at least a bachelor's degree. The typical US community has just 21.84% of its adults holding a bachelor's degree or graduate degree.

The per capita income in Newmarket in 2018 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.