Old Greenwich demographics profile

StatisticOld GreenwichConnecticutNational
Population7,0003,588,570318,558,162
Population density (sq mi)3,50864891
Median age39.540.637.7
Male/Female ratio0.9:11.0:11.0:1
Married (15yrs & older)73%54%55%
Families w/ Kids under 1855%43%43%
Speak English72%78%79%
Speak Spanish10%12%13%
Old Greenwich, CT has a population of 7,000 and is the 5,177th largest city in the United States. The population density is 3,508 per sq mi which is 442% higher than the Connecticut average and 3772% higher than the national average. The median age in Old Greenwich is 40 which is approximately 3% lower than the Connecticut average of 41. In Old Greenwich, 73% of the population over 15 years of age are married, 72% speak English and 10% speak Spanish. 28% of Old Greenwich residents were born in Connecticut, 46% were born out of state, 3% were born outside of the United States and 24% were foreign born.

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Did you know?

  • The population density in Old Greenwich is 442% higher than Connecticut.
  • The median age in Old Greenwich is 3% lower than Connecticut.
  • In Old Greenwich 85.54% of the population is White.
  • In Old Greenwich 0.40% of the population is Black or African American.
  • In Old Greenwich 9.91% of the population is Asian.

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Old Greenwich population breakdown by race

RaceOld GreenwichConnecticutNational
White85.54%77.14%73.35%
Black or African American0.40%10.39%12.63%
Asian9.91%4.26%5.22%
American Indian0.00%0.26%0.82%
Native Hawaiian0.00%0.03%0.18%
Mixed race3.26%2.98%3.06%
Other race0.89%4.95%4.75%
In Old Greenwich, 10.0% of people are of Hispanic or Latino origin.
Please note: Hispanics may be of any race, so also are included in any/all of the applicable race categories above.

Languages spoken

Place of birth by citizenship

Household income distribution

Source of income

Old Greenwich age breakdown

Marital status

Age of children in married couples

Source: The Old Greenwich, CT demographics data displayed above is derived from the 2016 United States Census Bureau American Community Survey (ACS).
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