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CITY · 2020 ACS

Old Greenwich

Connecticut · 6,962 residents · 2.00 sq mi
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The short version

Old Greenwich is home to 6,962 people in Connecticut. Households here earn about 199% more than in Connecticut as a whole. The median household earns $238,750, about 260% above the national median. This is an unusually credentialed place: 84% of adults have a four-year degree. The typical home is worth $1,615,300. Owners hold 83% of the housing stock.

At a glance
Wealthier
above the US median
US median: $66,278
Older
median age 40.9
US median: 38.8
More educated
84% hold a bachelor's degree
US average: 33%
Stable housing
home values roughly flat, inflation adjusted
US median home: $265,253
Section 01

Population & growth

6,962
+2%since 2019
from 6,844 in 2019
2010 – 2024
40.9
−2%since 2019
from 41.8 in 2019
US average: 38.8
Land area
2.00 sq mi
Population, 20102024
6K7K7K7K7K201020202024Old Greenwich
20247K
201020202024
Age distribution, 2020
Under 55.9%(414)
US avg: 5.6%
5 to 98.7%(603)
US avg: 6.1%
10 to 1410.2%(707)
US avg: 6.5%
15 to 197.7%(539)
US avg: 6.6%
20 to 244.9%(339)
US avg: 6.7%
25 to 345.4%(377)
US avg: 13.5%
35 to 4412.8%(892)
US avg: 12.7%
45 to 5416.6%(1,158)
US avg: 12.3%
55 to 6413.7%(956)
US avg: 13.1%
65 to 748%(555)
US avg: 10%
75 to 844.3%(302)
US avg: 4.9%
85 and over1.7%(120)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

$238,750
+6%inflation adjusted, since 2019
from $222,794 in 2019
US average: $66,278
2010 – 2024
$107,981
+8%since 2019
from $99,888 in 2019
US average: $35,364
Households earning $100K+
90.0%
+3.0 ptssince 2019
from 87.0% in 2019
US average: 43.9%
2.4%
−1.2 ptssince 2019
from 3.6% in 2019
US average: 12.8%
Workforce by industry, 2020
Other services33.6%
US avg: 6.6%
Public administration28%
US avg: 4.7%
Arts, entertainment, food4.9%
US avg: 2%
Wholesale trade4.2%
US avg: 6.7%
Information4%
US avg: 11.1%
Transportation & warehousing3.6%
US avg: 2.5%
Retail trade2.4%
US avg: 10%
Finance & insurance1.7%
US avg: 5.5%
Professional, scientific, technical1.7%
US avg: 4.7%
Agriculture, forestry, fishing0.4%
US avg: 1.7%
Manufacturing0.4%
US avg: 0.5%
Construction0%
US avg: 1.2%
Education & health services0%
US avg: 0.8%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

$1,615,300
+2%inflation adjusted, since 2019
from $1,561,200 in 2019
US average: $265,253
2010 – 2024
$2,089
−3%inflation adjusted, since 2019
from $2,127 in 2019
US average: $1,124
82.6%
−1.5 ptssince 2019
from 84.1% in 2019
17.4% rent
3.03 people
−3%since 2019
from 3.13 people in 2019
US average: 2.61
6.8
−3%since 2019
from 7.0 in 2019
2010 – 2024
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Section 04

Race & ethnicity

2019
White, non-Hispanic79%(5,408)
Black0.2%(12)
Hispanic / Latino12.2%(832)
Asian4.9%(334)
Other3.8%(258)
2020
White, non-Hispanic78.3%(5,453)
Black0.9%(65)
Hispanic / Latino7%(484)
Asian7.4%(514)
Other5.9%(412)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Hispanic origin
Chilean2.1%(147)
Costa Rican1.5%(107)
Puerto Rican1.5%(102)
Argentine1.2%(84)
Spaniard0.9%(64)
Colombian0.3%(24)
Mexican0.3%(18)
Asian origin
Chinese2.7%(186)
Korean1.7%(116)
Japanese1.5%(103)
Filipino0.1%(8)
Vietnamese0.1%(6)
Ancestry
Italian18.5%(1,289)
Irish14.3%(999)
English12.4%(867)
German12.1%(842)
Polish6%(416)
American4.7%(330)
Swedish3.1%(214)
British2.6%(178)
Scottish2.2%(154)
Canadian1.8%(123)
Hungarian1.7%(122)
Lithuanian1.5%(102)
+ 21 more ancestry groups with data
Russian1.4%(100)
Scotch-Irish1.1%(80)
Greek1%(69)
Arab1%(68)
Norwegian1%(67)
Welsh0.8%(58)
French0.8%(55)
Portuguese0.6%(41)
Dutch0.5%(37)
Slovak0.5%(35)
Ukrainian0.5%(33)
Czech0.4%(30)
Brazilian0.4%(28)
Danish0.4%(28)
Lebanese0.3%(23)
Swiss0.3%(18)
Austrian0.2%(16)
Croatian0.1%(10)
Armenian0.1%(8)
Section 05

Education

84.3%
+4.1 ptssince 2019
from 80.2% in 2019
US average: 32.9%
High school or higher
98.8%
+0.7 ptssince 2019
from 98.1% in 2019
US average: 88.5%
48.4%
+1.6 ptssince 2019
from 46.7% in 2019
US average: 12.7%
Section 06

Commute & transportation

38.1 min
+1%since 2019
from 37.9 min in 2019
US average: 26.9
48.8%
−6.4 ptssince 2019
from 55.1% in 2019
US average: 75.1%
1.2%
−0.1 ptssince 2019
from 1.3% in 2019
US average: 8.4%
Section 07

Work & employment

4.1%
+2.2 ptssince 2019
from 1.9% in 2019
US average: 5.4%
58.7%
−1.7 ptssince 2019
from 60.5% in 2019
US average: 63.4%
Women 20-64 in the labor force
57.1%
US average: 73.3%
70.5%
+3.7 ptssince 2019
from 66.8% in 2019
US average: 39.3%
Section 08

People & community

50.8%
+3.4 ptssince 2019
from 47.4% in 2019
49.2%
−3.4 ptssince 2019
from 52.6% in 2019
22.5%
+0.4 ptssince 2019
from 22.1% in 2019
US average: 13.5%
1.7%
−0.6 ptssince 2019
from 2.3% in 2019
US average: 8.8%
Computer in household
97.3%
US average: 91.9%
88.2%
US average: 86.2%
Marital status (2024)
Men 15+
Never married25%(612)
Married69.5%(1,703)
Widowed1%(24)
Divorced4.5%(110)
Women 15+
Never married19.3%(495)
Married63.3%(1,628)
Widowed6.2%(159)
Divorced11.2%(289)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09

Health coverage

1.7%
−0.6 ptssince 2019
from 2.3% in 2019
US average: 8.8%
76.3%
US average: 55.4%
Direct-purchase
20.0%
US average: 13.7%
13.7%
US average: 17.6%
3.6%
US average: 20.0%
VA health care
0.3%
US average: 2.3%
Any private
91.0%
US average: 68.1%
Any public
16.7%
US average: 35.2%

Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.

Section 09 · Service history

Veterans

Veterans by period of service, 2020
Gulf War (2001 or later)18.6%(22)
US avg: 20.6%
Gulf War (1990s)6.8%(8)
US avg: 21.4%
Vietnam era31.4%(37)
US avg: 35.2%
Korean War5.9%(7)
US avg: 7.6%
World War II7.6%(9)
US avg: 2.9%

Share of the 118 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.

BAR + DOT: THIS PLACE · TICK: US AVERAGE
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Frequently asked

How many people live in Old Greenwich, Connecticut?

Old Greenwich, Connecticut has about 6,962 residents according to the 2020 American Community Survey.

What is the median household income in Old Greenwich, Connecticut?

The typical household in Old Greenwich, Connecticut earns about $238,750 a year. Half of households make more than that, and half make less.

Is Old Greenwich, Connecticut expensive?

In Old Greenwich, Connecticut, the median home is worth about $1,615,300, and the typical rent is about $2,089 a month.

How educated are people in Old Greenwich, Connecticut?

About 84.3% of adults age 25 and over in Old Greenwich, Connecticut hold a bachelor's degree or higher.

What is the poverty rate in Old Greenwich, Connecticut?

About 2.4% of people in Old Greenwich, Connecticut live below the federal poverty line.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →