Old Greenwich, Connecticut Population 2023

6,929

Old Greenwich is a city located in Fairfield County Connecticut. Old Greenwich has a 2023 population of 6,929. Old Greenwich is currently declining at a rate of annually and its population has decreased by since the most recent census, which recorded a population of 0 in 2020.

The average household income in Old Greenwich is $348,146 with a poverty rate of 2.44%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Old Greenwich is 40.6 years, 40.5 years for males, and 40.9 years for females.

Old Greenwich Demographics

According to the most recent ACS, the racial composition of Old Greenwich was:

  • White: 85.22%
  • Asian: 6.83%
  • Two or more races: 5.51%
  • Other race: 1.56%
  • Black or African American: 0.88%
  • Native American:
  • Native Hawaiian or Pacific Islander:
Land Area (mi²)
2.0 sq mi
Density (mi²)
3,472.60/sq mi
Growth Rate
(6,929)
0
The current population of Old Greenwich, Connecticut is 6,929 based on our projections of the latest US Census estimates.

Old Greenwich, Connecticut Population 2023

Population by Race

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Race
Population
Percentage (of total)
White5,90585.22%
Asian4736.83%
Two or more races3825.51%
Other race1081.56%
Black or African American610.88%
Native American
Native Hawaiian or Pacific Islander
showing: 7 rows

White

Asian

Two or more races

Other race

Black or African American

Native American

Native Hawaiian or Pacific Islander

Old Greenwich Population by Race

Old Greenwich Population Pyramid 2023

Old Greenwich Median Age

40.6

Total

40.5

Male

40.9

Female

Old Greenwich Adults

There are 4,411 adults, (977 of whom are seniors) in Old Greenwich.

Old Greenwich Age Dependency

101.8

Age Dependency Ratio

28.5

Old Age Dependency Ratio

73.3

Child Dependency Ratio

Old Greenwich Sex Ratio

Female3,42749.46%
Male3,50250.54%

Old Greenwich Population by Age

Old Greenwich Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All2,2973.0180.119.9
Married1,6003.6684.815.2
Non Family5321.1171.828.2
Female1092.837822
Male562.7528.671.4
showing: 5 rows

3.57

Average Family Size

3.01

Average Household Size

80.1%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Old Greenwich Households and Families

Male

Female

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Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Old Greenwich Educational Attainment by Sex (over 25)

Old Greenwich Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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The highest rate of high school graduation is among asian people with a rate of 100%.

The highest rate of bachelors degrees is among asian people with a rate of 100%.

Old Greenwich Educational Attainment by Race

All

Male

Female

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$134,289

Average Earnings

$207,768

Average Male

$103,750

Average Female

Old Greenwich Earnings by Educational Attainment

Old Greenwich Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Old Greenwich Language

81.83% of Old Greenwich residents speak only English, while 18.17% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 7.66% of the population.

Old Greenwich Language

Old Greenwich Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White5,5231222.21%
Black612439.34%
Other1082321.3%
Hispanic582233.95%
showing: 4 rows

2.44%

Overall Poverty Rate

2.34%

Male Poverty Rate

2.54%

Female Poverty Rate

Poverty in Old Greenwich

The race most likely to be in poverty in Old Greenwich is Black, with 39.34% below the poverty level.

The race least likely to be in poverty in Old Greenwich is White, with 2.21% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was . Among those working part-time, it was 5.06%, and for those that did not work, the poverty rate was 5.41%.

Old Greenwich Poverty

rate

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Rate
Poverty
Less Than 9th Grade28.92%
High School4.21%
Bachelors or Greater2.01%
Some College1.37%
showing: 4 rows

Old Greenwich Poverty Rate by Education

rate

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Rate
Poverty
Male Unemployed19.61%
Female Employed1.82%
Male Employed
Female Unemployed
showing: 4 rows

Old Greenwich Poverty Rate by Employment Status and Sex

Old Greenwich Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

Old Greenwich Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

69.8%

Overall Marriage Rate

72.2%

Male Marriage Rate

67.6%

Female Marriage Rate

Old Greenwich Married by Age and Sex

male

female

Old Greenwich Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 45-54.

Old Greenwich Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Old Greenwich Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

112

Number of Veterans

112

Male Veterans

Female Veterans

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Old Greenwich Veterans by War

count

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Old Greenwich Veterans by Age

count

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Old Greenwich Veterans by Race

Old Greenwich Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

Veteran Poverty Rate

13.39%

Veteran Disability Rate

Old Greenwich Veterans by Education

LaborForceParticipation

61.4%

Labor Force Participation

59.1%

Employment Rate

3.7%

Unemployment Rate

Old Greenwich Employment by Age

LaborForceParticipation

Old Greenwich Employment by Race

LaborForceParticipation

Old Greenwich Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

35.76%

Born in Old Greenwich

80.44%

Native Born

19.56%

Foreign Born

11.82%

Non Citizen

7.74%

Naturalized

Place of Birth

80.44% of Old Greenwich residents were born in the United States, with 35.76% having been born in Connecticut. 11.82% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.

Old Greenwich Place of Birth

Note: data after 2021 is projected based on recent change

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Year
Population
Growth
Growth Rate
20216,929
showing: 1 rows

Old Greenwich Population by Year