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ZIP 06870 · Old Greenwich

Who lives in ZIP code 06870 (Old Greenwich, CT): age, income, housing, education and work.

Source: uszips 2026 (ACS-based ZIP file)

2026 ZIP profile

Old Greenwich, CT · Western Connecticut Planning Region

uszips 2026
People7,864
Median age40.0
Household income$250,001
Home value$1,846,773
Median rent$3,501/mo
Poverty3.4%
College degree+85.4%
Commute33 min

Place

Metro area
Bridgeport-Stamford-Danbury, CT
Wider region
New York-Newark, NY-NJ-CT-PA
Time zone
Eastern
Density
1,339 / sq mi
Housing units
2,756

County

Western Connecticut100%

Share of the ZIP's people in each county.

Age mix

Under 1021.9%
10–1911.9%
20s5.7%
30s10.5%
40s15.7%
50s15.2%
60s9.7%
70s5.0%
80+4.4%

14.2% are 65 or older; 67.9% are adults.

Household income

Under $25K5.6%
$25K–50K6.5%
$50K–75K6.1%
$75K–100K6.3%
$100K–150K9.7%
$150K+65.6%

75.3% of households earn $100K+. Median per person: $122,583.

Education (adults 25+)

Less than high school0.9%
High school6.5%
Some college7.2%
Bachelor's46.1%
Graduate39.3%

47.2% of degrees are in STEM fields.

Race

White76.0%
Black0.9%
Asian10.4%
Native American0.0%
Pacific Islander0.0%
Other1.2%
Two or more11.5%

7.2% Hispanic or Latino (of any race).

Households & family

Married
65.5%
Never married
22.3%
Divorced
7.9%
Widowed
4.3%
Family size
3.38
Dual-income families
53.1%

Housing

Own their home
83.9%
Rent burden
22.8%
Men / women
51% / 49%

Work

In labor force
65.9%
Unemployment
4.2%
Self-employed
—
Farmers
—

Community

Charitable givers
—
Veterans
1.9%
With a disability
4.9%
No health insurance
2.0%
Limited English
1.2%

Source: uszips 2026 (ACS-based ZIP file). Shares are percentages of people, households or adults as the measure implies.

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