Old Greenwich

County:
County Seat:: No
Area (mi²):: 1.995
State:: Connecticut

Old Greenwich is a CDP located in . Old Greenwich has a 2025 population of 7,172. Old Greenwich is currently growing at a rate of 0.52% annually and its population has increased by 2.75% since the most recent census, which recorded a population of 6,980 in 2020.

The average household income in Old Greenwich is $381,455 with a poverty rate of 3.35%. The median age in Old Greenwich is 40.5 years: 40.6 years for males, and 40.3 years for females.

Demographics

The racial composition of Old Greenwich includes 79.65% White, 8.91% Asian, and smaller percentages for other race, Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Asian

Other race

Black or African American

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	5,499	79.65%
Two or more races	644	9.33%
Asian	615	8.91%
Other race	114	1.65%
Black or African American	32	0.46%
Native American	0	0%
Native Hawaiian or Pacific Islander	0	0%

Old Greenwich Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Old Greenwich's average per capita income is $150,448. Household income levels show a median of $250,001. The poverty rate stands at 3.35%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Households	$250,001	$381,455
Families	$250,001	$462,674
Married Families	$250,001	-
Non Families	$79,083	$112,737

$150,448

Average Income

$250,001

Median Household Income

3.35%

Poverty Rate