Population density (sq mi)3,26673691
Median age41.740.637.7
Male/Female ratio0.9:11.0:11.0:1
Married (15yrs & older)53%54%55%
Families w/ Kids under 1845%43%43%
Speak English65%78%79%
Speak Spanish13%12%13%

Key findings

  • The population density in Greenwich is 344% higher than Connecticut
  • The median age in Greenwich is 3% higher than Connecticut
  • In Greenwich 81.73% of the population is White
  • In Greenwich 5.88% of the population is Black
  • In Greenwich 9.42% of the population is Asian

Compare Greenwich, CT Demographics


      Greenwich population breakdown by race

      American Indian0.00%0.26%0.82%
      Native Hawaiian0.00%0.03%0.18%
      Mixed race1.72%2.98%3.06%
      Other race1.26%4.95%4.75%
      In Greenwich, 14.7% 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.

      Household income distribution

      Place of birth by citizenship

      Greenwich age breakdown

      Marital status

      Age of children in married couples

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