Seabrook
Town in Rockingham County, New Hampshire

Seabrook is a town in Rockingham County, New Hampshire, with 8,401 residents (2020 Census). It sits at 52 ft (16 m) above sea level. The nearest town is Seabrook Beach, 2.0 miles E.
- 8,401residents (2020 Census)
- 52 ftelevation · 16 m
- 9.0 sq miland area · 23.3 km²
- 936 / sq mipopulation density
- 03874ZIP code
About Seabrook
Seabrook is a town in Rockingham County, New Hampshire, United States. The population was 8,401 at the 2020 census. Located at the southern end of the coast of New Hampshire, on the border with Massachusetts, Seabrook is noted as the location of the Seabrook Station Nuclear Power Plant, the third-most recently constructed nuclear power plant in the United States.
Seabrook is the first town one encounters when entering New Hampshire northbound on I–95.
Text: Wikipedia · CC BY-SA 4.0
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Living in Seabrook
- Median household income
- $84,349
- Median home value
- $443,500
- Median rent
- $1,542/mo
- Median age
- 54
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Map of Seabrook
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Open in Google Maps ›Seabrook, NH population
Seabrook had 8,401 residents in the 2020 Census.
| 2020 Census | 8,401 |
|---|---|
| Density | 936 per sq mi (361 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Seabrook at a glance
| State | New Hampshire (NH) |
|---|---|
| County | Rockingham County |
| Type | Town |
| Population | 8,401 (2020) |
| Land area | 8.98 sq mi (23.3 km²) |
| Water area | 0.72 sq mi (1.88 km²) |
| Elevation | 52 ft (16 m) |
| Coordinates | 42.8836° N, 70.8639° W |
| ZIP code | 03874 |
| Official website | seabrooknh.org |
| Census code (GEOID) | 3301568260 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Seabrook
- Seabrook Beach2.0 mi E
- Salisbury, MA2.9 mi SE
- Hampton Falls3.1 mi N
- Hampton Beach3.4 mi NE
- Hampton4.1 mi N
- South Hampton4.9 mi W
- Newburyport, MA5.1 mi S
- Amesbury, MA5.2 mi SW
- Kensington6.1 mi NW
- North Hampton6.9 mi N
- East Kingston7.6 mi W
- West Newbury, MA7.7 mi SW
Straight-line distance between town centers.
Frequently asked questions about Seabrook
What county is Seabrook in?
Seabrook is in Rockingham County, New Hampshire.
What is the population of Seabrook, NH?
8,401 people lived in Seabrook at the 2020 Census.
What is the ZIP code of Seabrook, NH?
The ZIP code of Seabrook is 03874.
What is the elevation of Seabrook?
52 feet (16 m) above sea level.
What towns are near Seabrook?
Seabrook Beach (2.0 mi), Salisbury (2.9 mi), Hampton Falls (3.1 mi), Hampton Beach (3.4 mi), Hampton (4.1 mi).
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