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Central Islip CDP, NY

ZIP 11722 — People & Community

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

Upper Middle ClassLow Snow Area

Demographics, education attainment, health access, and community lifestyle

Population & Demographics in 11722

11722 has a population of 38,443 with a median age of 34.1 yrs (50.3% male).

Race & Ethnicity
White
28.8%-53% vs US avg
x
Black
19.2%+55% vs US avg
x
Asian
1.9%-68% vs US avg
x
Hispanic
61.3%+228% vs US avg
x
Age Groups
0–17
25.5%+16% vs US avg
x
18–64
64.1%+4% vs US avg
x
65+
10.4%-36% vs US avg
x
Education
Less than HS
22.8%+105% vs US avg
x
High school
33.9%+29% vs US avg
x
Some college
25.0%-14% vs US avg
x
Bachelor's+
18.4%-45% vs US avg
x
Marital Status
Married
40.0%-17% vs US avg
x
Never married
45.7%+35% vs US avg
x
Divorced
10.6%+3% vs US avg
x
Widowed / Separated
3.6%
x
Diversity Index
50/100

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

Social & household profile

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

Poverty Rate
9.3%-19% vs US avg
x
Foreign Born
21.1%+52% vs US avg
x
Veterans
2.7%-54% vs US avg
x
Disability
9.1%-32% vs US avg
x
Single Parent
12.1%+49% vs US avg
x
Recent Births
48.6%+738% vs US avg
x
Top ancestry
ItalianAmericanIrish

Health & Community Indicators in 11722

Poverty Rate
9.3%-19% vs US avg
x
Veterans
2.7%-54% vs US avg
x
Foreign Born
21.1%+52% vs US avg
x
Single Parent
12.1%+49% vs US avg
x
Disability
9.1%-32% vs US avg
x
Uninsured
9.8%+23% vs US avg
x
SNAP Benefits
16.0%+37% vs US avg
x
Private School
0.2%-98% vs US avg
x
Recent Births
48.6%+738% vs US avg
x
Smartphone Only
0.0%-100% vs US avg
x

People & Community key statistics

Population statistics
Population
Population38,443
Median age34.1
Poverty rate9.3%
Demographics statistics
Demographics
White28.8%
Hispanic61.3%
Black19.2%
Asian1.9%
Foreign-born21.1%