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Marlborough CDP, NH

ZIP 03455 — 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 03455

03455 has a population of 2,148 with a median age of 45.1 yrs (41.9% male).

Race & Ethnicity
White
97.3%+58% vs US avg
x
Black
0.0%
x
Asian
0.1%-99% vs US avg
x
Hispanic
0.1%-100% vs US avg
x
Other / Two+
2.6%
x
Age Groups
0–17
23.7%+8% vs US avg
x
18–64
55.6%-10% vs US avg
x
65+
20.7%+27% vs US avg
x
Education
Less than HS
5.4%-51% vs US avg
x
High school
30.3%+16% vs US avg
x
Some college
25.2%-13% vs US avg
x
Bachelor's+
39.1%+16% vs US avg
x
Marital Status
Married
52.8%+10% vs US avg
x
Never married
25.4%-25% vs US avg
x
Divorced
13.7%+33% vs US avg
x
Widowed / Separated
8.2%
x
Diversity Index
5/100

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

Social & household profile

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

Poverty Rate
14.3%+24% vs US avg
x
Foreign Born
0.0%
x
Veterans
8.6%+43% vs US avg
x
Disability
11.6%-13% vs US avg
x
Single Parent
12.6%+56% vs US avg
x
Recent Births
58.6%+910% vs US avg
x
Top ancestry
EnglishIrishFrench

Health & Community Indicators in 03455

Poverty Rate
14.3%+24% vs US avg
x
Veterans
8.6%+43% vs US avg
x
Foreign Born
0.0%
x
Single Parent
12.6%+56% vs US avg
x
Disability
11.6%-13% vs US avg
x
Uninsured
2.4%-70% vs US avg
x
SNAP Benefits
7.6%-35% vs US avg
x
Private School
0.0%
x
Recent Births
58.6%+910% vs US avg
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population2,148
Median age45.1
Poverty rate14.3%
Demographics statistics
Demographics
White97.3%
Hispanic0.1%
Black0.0%
Asian0.1%
Foreign-born0.0%