Old Greenwich Flag

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.

7.2K
Total Population
3,594
Density (mi²)
37 0.52%
Growth

Old Greenwich Population

Old Greenwich Population

Data after 2023 is projected based on recent change

Demographics

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

Population by Race

Race
Population
Percentage (of total)
White5,49979.65%
Two or more races6449.33%
Asian6158.91%
Other race1141.65%
Black or African American320.46%

Old Greenwich Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

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

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)