Newmarket
Town in Rockingham County, New Hampshire

Newmarket is a town in Rockingham County, New Hampshire, with 9,430 residents (2020 Census). It sits at 39 ft (12 m) above sea level. The nearest town is Newfields, 2.5 miles SW.
- 9,430residents (2020 Census)
- 39 ftelevation · 12 m
- 12.6 sq miland area · 32.6 km²
- 749 / sq mipopulation density
- 03857main ZIP code (2 in total)
About Newmarket
Newmarket is a town in Rockingham County, New Hampshire, United States. The population was 9,430 at the 2020 census. Some residents are students and employees at the nearby University of New Hampshire in Durham.
The densely settled center of town, where 5,797 people resided at the 2020 census, is defined as the Newmarket census-designated place and is located at the junction of New Hampshire routes 108 and 152, along the Lamprey River.
Text: Wikipedia · CC BY-SA 4.0
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Living in Newmarket
- Median household income
- $100,845
- Median home value
- $455,000
- Median rent
- $1,671/mo
- Median age
- 41.2
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Map of Newmarket
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Open in Google Maps ›Newmarket, NH population
Newmarket had 9,430 residents in the 2020 Census.
| 2020 Census | 9,430 |
|---|---|
| Density | 749 per sq mi (289 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Newmarket at a glance
| State | New Hampshire (NH) |
|---|---|
| County | Rockingham County |
| Type | Town |
| Population | 9,430 (2020) |
| Land area | 12.59 sq mi (32.6 km²) |
| Water area | 1.59 sq mi (4.13 km²) |
| Elevation | 39 ft (12 m) |
| Coordinates | 43.0709° N, 70.9469° W |
| ZIP codes | 03857, 03856 |
| Official website | newmarketnh.gov |
| Census code (GEOID) | 3301552340 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Newmarket
- Newfields2.5 mi SW
- Durham3.7 mi NE
- Stratham4.5 mi SE
- Lee4.5 mi NW
- Greenland5.5 mi E
- Exeter5.8 mi S
- Newington6.2 mi E
- Madbury7.2 mi N
- Epping7.3 mi W
- Brentwood8.1 mi SW
- Portsmouth8.4 mi E
- Dover8.6 mi N
Straight-line distance between town centers.
Frequently asked questions about Newmarket
What county is Newmarket in?
Newmarket is in Rockingham County, New Hampshire.
What is the population of Newmarket, NH?
9,430 people lived in Newmarket at the 2020 Census.
What is the ZIP code of Newmarket, NH?
The main ZIP code is 03857. Other ZIP codes: 03856.
What is the elevation of Newmarket?
39 feet (12 m) above sea level.
What towns are near Newmarket?
Newfields (2.5 mi), Durham (3.7 mi), Stratham (4.5 mi), Lee (4.5 mi), Greenland (5.5 mi).
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