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Greenwich CDP, CT

ZIP 06830 — 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 06830

06830 has a population of 24,919 with a median age of 43.7 yrs (46.0% male).

Race & Ethnicity
White
69.3%+13% vs US avg
x
Black
6.4%-48% vs US avg
x
Asian
5.9%-0% vs US avg
x
Hispanic
18.3%-2% vs US avg
x
Age Groups
0–17
22.6%+3% vs US avg
x
18–64
58.0%-6% vs US avg
x
65+
19.3%+19% vs US avg
x
Education
Less than HS
5.4%-51% vs US avg
x
High school
11.0%-58% vs US avg
x
Some college
14.6%-50% vs US avg
x
Bachelor's+
69.0%+105% vs US avg
x
Marital Status
Married
51.2%+6% vs US avg
x
Never married
33.2%-2% vs US avg
x
Divorced
10.0%-3% vs US avg
x
Widowed / Separated
5.6%
x
Diversity Index
48/100

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

Social & household profile

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

Poverty Rate
7.4%-36% vs US avg
x
Foreign Born
25.0%+80% vs US avg
x
Veterans
2.1%-65% vs US avg
x
Disability
7.1%-47% vs US avg
x
Single Parent
10.7%+32% vs US avg
x
Recent Births
56.6%+877% vs US avg
x
Top ancestry
ItalianIrishEnglish

Health & Community Indicators in 06830

Poverty Rate
7.4%-36% vs US avg
x
Veterans
2.1%-65% vs US avg
x
Foreign Born
25.0%+80% vs US avg
x
Single Parent
10.7%+32% vs US avg
x
Disability
7.1%-47% vs US avg
x
Uninsured
6.2%-22% vs US avg
x
SNAP Benefits
6.1%-48% vs US avg
x
Private School
0.5%-95% vs US avg
x
Recent Births
56.6%+877% vs US avg
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population24,919
Median age43.7
Poverty rate7.4%
Demographics statistics
Demographics
White69.3%
Hispanic18.3%
Black6.4%
Asian5.9%
Foreign-born25.0%