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Smithtown CDP, NY

ZIP 11787 — People & Community

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

Upper Middle ClassLow Snow AreaRemote Work Hub

Demographics, education attainment, health access, and community lifestyle

Population & Demographics in 11787

11787 has a population of 34,656 with a median age of 46.9 yrs (49.5% male).

Race & Ethnicity
White
84.7%+37% vs US avg
x
Black
0.9%-93% vs US avg
x
Asian
5.0%-15% vs US avg
x
Hispanic
10.8%-42% vs US avg
x
Age Groups
0–17
20.0%-9% vs US avg
x
18–64
61.0%-1% vs US avg
x
65+
19.0%+16% vs US avg
x
Education
Less than HS
4.5%-60% vs US avg
x
High school
20.0%-24% vs US avg
x
Some college
25.0%-14% vs US avg
x
Bachelor's+
50.5%+50% vs US avg
x
Marital Status
Married
54.6%+14% vs US avg
x
Never married
32.5%-4% vs US avg
x
Divorced
7.0%-32% vs US avg
x
Widowed / Separated
5.9%
x
Diversity Index
27/100

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

Social & household profile

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

Poverty Rate
5.3%-54% vs US avg
x
Foreign Born
11.1%-21% vs US avg
x
Veterans
6.5%+9% vs US avg
x
Disability
10.8%-20% vs US avg
x
Single Parent
3.6%-55% vs US avg
x
Recent Births
35.6%+513% vs US avg
x
Top ancestry
ItalianIrishGerman

Health & Community Indicators in 11787

Poverty Rate
5.3%-54% vs US avg
x
Veterans
6.5%+9% vs US avg
x
Foreign Born
11.1%-21% vs US avg
x
Single Parent
3.6%-55% vs US avg
x
Disability
10.8%-20% vs US avg
x
Uninsured
2.3%-72% vs US avg
x
SNAP Benefits
4.2%-64% vs US avg
x
Private School
0.4%-96% vs US avg
x
Recent Births
35.6%+513% vs US avg
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population34,656
Median age46.9
Poverty rate5.3%
Demographics statistics
Demographics
White84.7%
Hispanic10.8%
Black0.9%
Asian5.0%
Foreign-born11.1%