Old Greenwich, Connecticut Population 2021

6,844
map placeholder

Old Greenwich is a city located in Fairfield County Connecticut. Old Greenwich has a 2020 population of 6,844. Old Greenwich is currently declining at a rate of 0.00% annually and its population has increased by 3.52% since the most recent census, which recorded a population of 6,611 in 2010. Old Greenwich reached it's highest population of 7,000 in 2016.

The average household income in Old Greenwich is $308,817 with a poverty rate of 3.57%. The median rental costs in recent years comes to $2,127 per month, and the median house value is $1.56 Mn. The median age in Old Greenwich is 41.8 years, 42.4 years for males, and 41.1 years for females.

Old Greenwich Demographics

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

  • White: 89.17%
  • Asian: 4.88%
  • Two or more races: 3.46%
  • Other race: 1.96%
  • Black or African American: 0.53%
  • Native American: 0.00%
  • Native Hawaiian or Pacific Islander: 0.00%
The current population of Old Greenwich, Connecticut is 6,844 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 6,819.The last official US Census in 2010 recorded the population at 6,611.

Old Greenwich, Connecticut Population 2021

Population by Race

Race Population Percentage
White6,10389.17%
Asian3344.88%
Two or More Races2373.46%
Some Other Race1341.96%
Black or African American360.53%
Loading...

Old Greenwich Population by Race

Old Greenwich Population Pyramid $2021

Loading...

Old Greenwich Median Age

41.8


Total

42.4


Male

41.1


Female

Old Greenwich Adults

There are 4,593 adults, (941 of whom are seniors) in Old Greenwich.

Old Greenwich Age Dependency

87.4

Age Dependency Ratio

25.8

Old Age Dependency Ratio

61.6

Child Dependency Ratio

Old Greenwich Sex Ratio

Female

3,599

52.59%

Male

3,245

47.41%

Old Greenwich Population by Age

Old Greenwich Renter vs Owner Occupied by Household Type

Loading...

Old Greenwich Household Types

Type Owner Renter
Married88.2%11.8%
All84.1%15.9%
Female78.5%21.5%
Non Family69.5%30.5%
Male65.6%34.4%

84.1%

Rate of Home Ownership

Old Greenwich Households and Families

Type Count Average Size Owned
All2,1843.1384.1
Married1,6503.688.2
Non Family3671.0769.5
Female1353.0478.5
Male322.5965.6

3.5

Average Family Size

3.13

Average Household Size

Loading...

Old Greenwich Households by Type

Loading...
Education Attained Count Percentage
Less Than 9th Grade280.66%
9th to 12th Grade521.23%
High School Graduate2736.46%
Some College3367.95%
Associates Degree1473.48%
Bachelors Degree1,41633.51%
Graduate Degree1,97446.71%
Loading...

Old Greenwich Educational Attainment by Sex (over 25)

Old Greenwich Educational Attainment by Race

Loading...
Race Total High School Bachelors
White3,4523,4252,777
Hispanic460424345
Asian240223206
Other Race595959
2+ Races393939
Black3612

The highest rate of high school graduation is among other race people with a rate of 100.00%.

The highest rate of bachelors degrees is among other race people with a rate of 100.00%.

Old Greenwich Educational Attainment by Race

Loading...
Name Average Male Female
Overall$120,000$198,750$62,266
Less Than 9th Grade$37,500$46,094$
High School Graduate$39,167$$4,563
Some College$54,583$$42,639
Bachelors Degree$106,250$211,375$60,313
Graduate Degree$136,806$203,191$105,147

$120,000

Average Earnings

$198,750

Average Male

$62,266

Average Female

Old Greenwich Earnings by Educational Attainment

Old Greenwich Language by Age

Loading...

Old Greenwich Language

78.02% of Old Greenwich residents speak only English, while 21.98% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 9.71% of the population.

Old Greenwich Language

Old Greenwich Poverty by Race

Loading...
Name Total In Poverty Poverty Rate
White5,3981633.02%
Asian334298.68%
Hispanic832263.13%
Multiple2372510.55%
Black3612.78%

3.57%

Overall Poverty Rate

4.30%

Male Poverty Rate

2.92%

Female Poverty Rate

Poverty in Old Greenwich

The race most likely to be in poverty in Old Greenwich is Multiple, with 10.55% below the poverty level.

The race least likely to be in poverty in Old Greenwich is Black, with 2.78% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.12%. Among those working part-time, it was 3.98%, and for those that did not work, the poverty rate was 6.90%.

Old Greenwich Poverty

Loading...
Name Poverty
Less Than 9th Grade15.00%
High School10.26%
Bachelors or Greater3.45%
Some College0.41%

Old Greenwich Poverty Rate by Education

Loading...
Rate Poverty
Female Employed3.25%
Male Employed1.56%
Female Unemployed0.00%
Male Unemployed0.00%

Old Greenwich Poverty Rate by Employment Status and Sex

Old Greenwich Income by Household Type

Loading...
Name Median Mean
Households$222,794$308,817
Families$250,000$344,001
Married Families$250,000-
Non Families$88,523$130,581
Loading...

Income by Household Type

Old Greenwich Marital Status

Loading...

Marriage Rates

68.8%

Overall Marriage Rate

74.9%

Male Marriage Rate

63.6%

Female Marriage Rate

Old Greenwich Married by Age and Sex

Loading...

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

Loading...

Old Greenwich Marital Status

Loading...

138

Number of Veterans

138

Male Veterans

Female Veterans

War Veterans
Vietnam37
Korea26
Second Gulf War23
World War II9
First Gulf War9

Old Greenwich Veterans by War

Loading...
Age Group Veterans
75+77
65 to 7429
35 to 5423
55 to 649
18 to 34

Old Greenwich Veterans by Age

Loading...

Old Greenwich Veterans by Race

Old Greenwich Veterans by Education

Loading...

0.00%

Veteran Poverty Rate

30.43%

Veteran Disability Rate

Old Greenwich Veterans by Education

Loading...

60.5%

Labor Force Participation

59.3%

Employment Rate

1.9%

Unemployment Rate

Old Greenwich Employment by Age

Loading...

Old Greenwich Employment by Race

Loading...

Old Greenwich Employment by Education

Origin of Non-Citizens

Loading...

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

Origin of Naturalized Citizens

Loading...

30.64%

Born in Old Greenwich

77.91%

Native Born

22.09%

Foreign Born

13.44%

Non Citizen

8.65%

Naturalized

Place of Birth

77.91% of Old Greenwich residents were born in the United States, with 30.64% having been born in Connecticut. 13.44% 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

Year Population Growth Annual Growth Rate
20216,8440.00%
20206,8440.00%
20196,844250.37%
20186,819-41-0.60%
20176,860-140-2.00%
20167,0002363.49%
20156,7642443.74%
20146,520240.37%
20136,496-126-1.90%
20126,6222213.45%
20116,401-210-3.18%
20106,6110.00%

Old Greenwich Population by Year