Old Greenwich, Connecticut Population 2024

7,135

Old Greenwich Demographics

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

  • White: 82.71%
  • Asian: 7.78%
  • Two or more races: 7.21%
  • Other race: 1.37%
  • Black or African American: 0.93%
  • Native American: 0%
  • Native Hawaiian or Pacific Islander: 0%
Land Area (mi²)
2.0 sq mi
Density (mi²)
3,575.80/sq mi
Growth Since 2020
2.22% (155)
The current population of Old Greenwich, Connecticut is 7,135 based on our projections of the latest US Census estimates (released May 2024). The last official US Census in 2020 recorded the population at 6,980.

Population by Race

Race
Population
Percentage (of total)
White5,83982.71%
Asian5497.78%
Two or more races5097.21%
Other race971.37%
Black or African American660.93%
Native American00%
Native Hawaiian or Pacific Islander00%

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 2024

Old Greenwich Median Age

41

Total

42

Male

40.2

Female

Old Greenwich Adults

There are 4,697 adults, (996 of whom are seniors) in Old Greenwich.

Old Greenwich Age Dependency

90.8

Age Dependency Ratio

26.9

Old Age Dependency Ratio

63.8

Child Dependency Ratio

Old Greenwich Sex Ratio

Female3,71552.62%
Male3,34547.38%

Old Greenwich Population by Age

Old Greenwich Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All2,3213.0483.416.6
Married1,5943.6686.513.5
Non Family5251.1477.722.3
Female1633.1371.228.8
Male392.6282.117.9

3.56

Average Family Size

3.04

Average Household Size

83.4%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Old Greenwich Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade631.47%
Associates Degree801.87%
Bachelors Degree1,70139.74%
Graduate Degree1,92745.02%
High School Graduate3317.73%
Less Than 9th Grade150.35%
Some College1633.81%

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

Race
Total
High School
Bachelors
White3,4733,4512,967
Asian362362349
Hispanic282244167
2+ Races241233168
Black661919
Other Race201919

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 96.41%.

Old Greenwich Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$140,795$250,001$104,844
Graduate Degree$158,500$220,188$125,360
High School Graduate$44,886$44,773$0
Less Than 9th Grade$53,682$53,682$0
Overall$140,139$189,028$109,492
Some College$71,250$72,426$0

$140,139

Average Earnings

$189,028

Average Male

$109,492

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

84.44% of Old Greenwich residents speak only English, while 15.56% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 5.97% of the population.

Old Greenwich Language

Old Greenwich Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White5,6791492.62%
Other973131.96%
Hispanic457316.78%
Asian549203.64%
Black661725.76%

3.07%

Overall Poverty Rate

3.41%

Male Poverty Rate

2.77%

Female Poverty Rate

Poverty in Old Greenwich

The race most likely to be in poverty in Old Greenwich is Other, with 31.96% below the poverty level.

The race least likely to be in poverty in Old Greenwich is White, with 2.62% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0%. Among those working part-time, it was 5.53%, and for those that did not work, the poverty rate was 8.45%.

Old Greenwich Poverty

rate

Rate
Poverty
Less Than 9th Grade26.92%
Some College12.35%
High School11.48%
Bachelors or Greater1.71%

Old Greenwich Poverty Rate by Education

rate

Rate
Poverty
Male Unemployed20.45%
Female Unemployed19.23%
Female Employed1.2%
Male Employed0.35%

Old Greenwich Poverty Rate by Employment Status and Sex

Old Greenwich Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$250,001$426,775
Households$240,417$360,476
Married Families$250,001$-999,999,999
Non Families$90,972$123,873

mean

median

Income by Household Type

Old Greenwich Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

67.6%

Overall Marriage Rate

75.3%

Male Marriage Rate

61.0%

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 45-54, 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

119

Number of Veterans

119

Male Veterans

0

Female Veterans

War
Veterans
Vietnam31
Second Gulf War17
First Gulf War17
World War II17
Korea10

Old Greenwich Veterans by War

count

Age Group
Veterans
75+95
35 to 5417
55 to 647
18 to 340
65 to 740

Old Greenwich Veterans by Age

count

Name
Veterans
% of Total
White1193.07%

Old Greenwich Veterans by Race

Old Greenwich Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

0%

Veteran Poverty Rate

22.69%

Veteran Disability Rate

Old Greenwich Veterans by Education

LaborForceParticipation

63.2%

Labor Force Participation

60.3%

Employment Rate

4.5%

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

36.08%

Born in Old Greenwich

82.15%

Native Born

17.85%

Foreign Born

11.18%

Non Citizen

6.67%

Naturalized

Place of Birth

82.15% of Old Greenwich residents were born in the United States, with 36.08% having been born in Connecticut. 11.18% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Old Greenwich Place of Birth

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
20247,135380.54%
20237,097370.52%
20227,0601311.89%
20216,929-51-0.73%
20206,9801361.99%
20196,844250.37%
20186,819-41-0.6%
20176,860-140-2%
20167,0002363.49%
20156,7642443.74%
20146,520240.37%
20136,496-126-1.9%
20126,6222213.45%
20116,401-210-3.18%
20106,61100%

Old Greenwich Population by Year