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Riverhead CDP, NY

ZIP 11901 — 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 11901

11901 has a population of 32,921 with a median age of 43.9 yrs (52.5% male).

Race & Ethnicity
White
58.1%-6% vs US avg
x
Black
10.9%-12% vs US avg
x
Asian
2.6%-55% vs US avg
x
Hispanic
29.1%+56% vs US avg
x
Age Groups
0–17
19.9%-10% vs US avg
x
18–64
55.5%-10% vs US avg
x
65+
24.6%+51% vs US avg
x
Education
Less than HS
20.8%+88% vs US avg
x
High school
34.1%+30% vs US avg
x
Some college
23.6%-18% vs US avg
x
Bachelor's+
21.4%-36% vs US avg
x
Marital Status
Married
47.6%-1% vs US avg
x
Never married
36.5%+8% vs US avg
x
Divorced
9.8%-5% vs US avg
x
Widowed / Separated
6.1%
x
Diversity Index
56/100

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

Social & household profile

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

Poverty Rate
14.9%+29% vs US avg
x
Foreign Born
33.7%+143% vs US avg
x
Veterans
4.8%-21% vs US avg
x
Disability
16.1%+20% vs US avg
x
Single Parent
5.2%-36% vs US avg
x
Recent Births
89.7%+1447% vs US avg
x
Top ancestry
IrishGermanItalian

Health & Community Indicators in 11901

Poverty Rate
14.9%+29% vs US avg
x
Veterans
4.8%-21% vs US avg
x
Foreign Born
33.7%+143% vs US avg
x
Single Parent
5.2%-36% vs US avg
x
Disability
16.1%+20% vs US avg
x
Uninsured
13.1%+64% vs US avg
x
SNAP Benefits
9.9%-16% vs US avg
x
Private School
0.0%
x
Recent Births
89.7%+1447% vs US avg
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population32,921
Median age43.9
Poverty rate14.9%
Demographics statistics
Demographics
White58.1%
Hispanic29.1%
Black10.9%
Asian2.6%
Foreign-born33.7%