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Southold CDP, NY

ZIP 11971 — 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 11971

11971 has a population of 6,507 with a median age of 52.8 yrs (50.2% male).

Race & Ethnicity
White
81.5%+32% vs US avg
x
Black
0.8%-93% vs US avg
x
Asian
3.9%-33% vs US avg
x
Hispanic
14.4%-23% vs US avg
x
Age Groups
0–17
21.3%-3% vs US avg
x
18–64
51.5%-16% vs US avg
x
65+
27.2%+67% vs US avg
x
Education
Less than HS
8.1%-27% vs US avg
x
High school
18.1%-31% vs US avg
x
Some college
21.0%-27% vs US avg
x
Bachelor's+
52.8%+57% vs US avg
x
Marital Status
Married
66.6%+38% vs US avg
x
Never married
23.6%-30% vs US avg
x
Divorced
3.9%-62% vs US avg
x
Widowed / Separated
6.0%
x
Diversity Index
31/100

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

Social & household profile

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

Poverty Rate
3.5%-70% vs US avg
x
Foreign Born
15.7%+13% vs US avg
x
Veterans
5.2%-13% vs US avg
x
Disability
11.5%-14% vs US avg
x
Single Parent
0.9%-89% vs US avg
x
Recent Births
38.5%+564% vs US avg
x
Top ancestry
IrishGermanItalian

Health & Community Indicators in 11971

Poverty Rate
3.5%-70% vs US avg
x
Veterans
5.2%-13% vs US avg
x
Foreign Born
15.7%+13% vs US avg
x
Single Parent
0.9%-89% vs US avg
x
Disability
11.5%-14% vs US avg
x
Uninsured
10.0%+25% vs US avg
x
SNAP Benefits
4.5%-62% vs US avg
x
Private School
0.3%-98% vs US avg
x
Recent Births
38.5%+564% vs US avg
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population6,507
Median age52.8
Poverty rate3.5%
Demographics statistics
Demographics
White81.5%
Hispanic14.4%
Black0.8%
Asian3.9%
Foreign-born15.7%