Demographics in Old Greenwich, CT
Population, age, race, ethnicity, and household statistics — 2023 ACS Data
Where is Old Greenwich?
Loading map…
Population
Source: U.S. Census Bureau ACS (2023)Total Population
6,904
Male
3,305
47.9%
Female
3,599
52.1%
Median Age
40.5
Age Distribution
Source: U.S. Census Bureau ACS (2023)Race & Ethnicity
Source: U.S. Census Bureau ACS (2023)White79.7%
Black0.5%
Hispanic7.7%
Asian8.9%
Two or More9.3%
Other1.6%
Education & Household
Source: U.S. Census Bureau ACS (2023)Bachelor's or Higher
51.3%
High School or Higher
55.3%
Foreign Born
19.3%
Veterans
1.7%
Married
47.5%
Avg Household Size
3.0
Marital Status by Age
Source: U.S. Census Bureau ACS (2023)Old Greenwich, CT has a population of 6,904 with a median age of 40.5. The racial makeup is 79.7% White, 7.7% Hispanic, 0.5% Black, 8.9% Asian. About 51.3% of residents hold a bachelor's degree or higher. The foreign-born population is 19.3%.