| Official Name: | Newmarket, New Hampshire |
| Settlement Type: | Census-designated place |
| Pushpin Map: | New Hampshire#USA |
| Pushpin Label: | Newmarket |
| Pushpin Label Position: | bottom |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | New Hampshire |
| Subdivision Type2: | County |
| Subdivision Name2: | Rockingham |
| Subdivision Type3: | Town |
| Subdivision Name3: | Newmarket |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 6.00 |
| Area Land Km2: | 5.83 |
| Area Water Km2: | 0.17 |
| Area Total Sq Mi: | 2.32 |
| Area Land Sq Mi: | 2.25 |
| Area Water Sq Mi: | 0.07 |
| Population As Of: | 2020 |
| Population Total: | 5797 |
| Population Density Km2: | 994.16 |
| Population Density Sq Mi: | 2575.30 |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 40 |
| Coordinates: | 43.0825°N -70.9342°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 03857 |
| Area Code: | 603 |
| Blank Name: | FIPS code |
| Blank Info: | 33-52260 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2378083 |
Newmarket is a census-designated place (CDP) and the main village in the town of Newmarket in Rockingham County, New Hampshire, United States. The population of the CDP was 5,797 at the 2020 census,[2] out of 9,430 in the entire town.
The CDP is in the northeastern part of the town of Newmarket, on both sides of the Lamprey River where it falls to tidewater. The CDP is bordered to the north by the town of Durham and to the northwest by the Piscassic River, a tributary of the Lamprey. The southwest border of the CDP follows Hersey Lane to New Hampshire Route 108 (Exeter Road). The eastern border of the CDP follows a power line that runs east of Great Cove Drive and Meadow Drive, then follows Wade Farm Road to the Durham town line.[3]
New Hampshire Route 108 passes through the center of the village, leading north 4miles to Durham and the University of New Hampshire, and south 8miles to Exeter. Route 152 leads west 9miles to Nottingham.
According to the U.S. Census Bureau, the Newmarket CDP has a total area of 6sqkm, of which 5.8sqkm are land and 0.2sqkm, or 2.80%, are water.[4] The Lamprey River crosses the CDP from north to south, and the 19th-century Newmarket Manufacturing Company mill complex is located on the river at its falls above the head of tide. The center of the CDP is listed on the National Register of Historic Places as the Newmarket Industrial and Commercial Historic District.
As of the census of 2010, there were 5,297 people, 2,400 households, and 1,178 families residing in the CDP. There were 2,594 housing units, of which 194, or 7.5%, were vacant. The racial makeup of the CDP was 91.2% white, 1.3% African American, 0.3% Native American, 4.0% Asian, 0.1% Pacific Islander, 0.8% some other race, and 2.3% from two or more races. 2.9% of the population were Hispanic or Latino of any race.[5]
Of the 2,400 households in the CDP, 24.5% had children under the age of 18 living with them, 35.1% were headed by married couples living together, 9.7% had a female householder with no husband present, and 50.9% were non-families. 31.3% of all households were made up of individuals, and 6.0% were someone living alone who was 65 years of age or older. The average household size was 2.21, and the average family size was 2.82.[5]
18.0% of residents in the CDP were under the age of 18, 17.6% were from age 18 to 24, 32.2% were from 25 to 44, 24.5% were from 45 to 64, and 7.7% were 65 years of age or older. The median age was 31.6 years. For every 100 females, there were 98.1 males. For every 100 females age 18 and over, there were 96.9 males.[5]
For the period 2011-15, the estimated median annual income for a household was $53,025, and the median income for a family was $73,990. The per capita income for the CDP was $28,830. 12.0% of the population and 3.5% of families were below the poverty line, along with 5.3% of people under the age of 18 and 6.8% of people 65 or older.[6]