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Seabrook Beach CDP, NH

ZIP 03874 — People & Community

Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.

Middle ClassLow Snow Area

Demographics, education attainment, health access, and community lifestyle

Population & Demographics in 03874

03874 has a population of 8,613 with a median age of 53.4 yrs (51.5% male).

Race & Ethnicity
White
89.7%+46% vs US avg
x
Black
0.7%-94% vs US avg
x
Asian
0.7%-88% vs US avg
x
Hispanic
3.5%-81% vs US avg
x
Other / Two+
5.4%
x
Age Groups
0–17
14.1%-36% vs US avg
x
18–64
54.9%-11% vs US avg
x
65+
31.1%+91% vs US avg
x
Education
Less than HS
8.8%-20% vs US avg
x
High school
40.1%+53% vs US avg
x
Some college
25.1%-13% vs US avg
x
Bachelor's+
26.0%-23% vs US avg
x
Marital Status
Married
49.3%+3% vs US avg
x
Never married
28.2%-17% vs US avg
x
Divorced
15.5%+51% vs US avg
x
Widowed / Separated
6.9%
x
Diversity Index
19/100

Higher = more diverse (Simpson index from race/ethnicity)

Social & household profile

Poverty, nativity, veterans, disability, family structure, and births (ACS).

Poverty Rate
11.2%-3% vs US avg
x
Foreign Born
45.9%+230% vs US avg
x
Veterans
10.4%+74% vs US avg
x
Disability
17.6%+31% vs US avg
x
Single Parent
8.6%+6% vs US avg
x
Recent Births
45.0%+676% vs US avg
x
Top ancestry
IrishEnglishItalian

Health & Community Indicators in 03874

Poverty Rate
11.2%-3% vs US avg
x
Veterans
10.4%+74% vs US avg
x
Foreign Born
45.9%+230% vs US avg
x
Single Parent
8.6%+6% vs US avg
x
Disability
17.6%+31% vs US avg
x
Uninsured
6.3%-21% vs US avg
x
SNAP Benefits
8.6%-26% vs US avg
x
Private School
0.7%-93% vs US avg
x
Recent Births
45.0%+676% vs US avg
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population8,613
Median age53.4
Poverty rate11.2%
Demographics statistics
Demographics
White89.7%
Hispanic3.5%
Black0.7%
Asian0.7%
Foreign-born45.9%