Statistic Greenwich Connecticut National
Population 12,967 3,565,287 328,239,523
Population density (sq mi) 2,678 736 91
Median age 45.0 40.6 37.7
Male/Female ratio 0.9:1 1.0:1 1.0:1
Married (15yrs & older) 58% 54% 55%
Families w/ Kids under 18 41% 43% 43%
Speak English 69% 78% 79%
Speak Spanish 16% 12% 13%

Overview of Greenwich Demographics

The demographics of Greenwich offer invaluable insights into the composition, dynamics and needs of both urban and rural areas, empowering planners, developers and policymakers to foster prosperity, equity, and well-being for all residents. With a population of 12,967, Greenwich exhibits a population density of 2,678 people per square mile, contrasting with the national average of 91. The median age stands at 45, with 58% of individuals aged 15 or older being married and 41% having children under 18. In terms of income equality in Greenwich, 13% of households report a median income below $25,000, while 47% report an income exceeding $150,000, showcasing a diverse economic landscape.

Greenwich Racial Demographics & Ethnicity

The Greenwich racial demographics and ethnicity breakdown could be indispensable tools for recognizing and rectifying systemic inequities, fostering social justice and inclusion and cultivating resilient communities. In Greenwich, the racial breakdown reveals 76.7% White, 5.3% Black or African American, 8.4% Asian, 0.2% American Indian and 0.1% Native Hawaiian, with 19.6% of the population identifying as Hispanic or Latino. Of all households, 68.8% reported speaking English only, while 15.9% reported speaking Spanish only. Moreover, 24.8% of residents were classified as foreign-born.

Greenwich Population Density

Areas with a high population density tend to support a wide range of amenities and services within walking distance or a short commute. Residents tend to have convenient access to healthcare facilities, educational institutions, cultural venues, restaurants, shops and public transportation options, enhancing their quality of life and overall well-being. The Greenwich population density is 2,678 people per square mile, which is well-above the national average of 91 and is considered one of the most densely populated cities in the country.

Why are Demographics Important?

Understanding Populations: The examination and analysis of Greenwich demographic data can offer valuable insights into the composition and traits of populations, including age, gender, race, ethnicity, income, education and various socio-economic factors. This understanding is essential for addressing the varied needs, preferences, and challenges faced by different demographic groups within communities. Demographics hold significant importance in understanding populations, guiding decision-making processes and promoting equity, inclusion, and overall well-being for all individuals and communities. The Greenwich population data serves as a cornerstone for addressing social, economic and environmental challenges, while also fostering the well-being and resilience of societies.

Urban Development: Urban planners could use Greenwich demographic data to design and create areas that accommodate the needs of residents, including housing, transportation and public services, while promoting sustainability and quality of life. Demographic shifts can contribute to gentrification and neighborhood change in urban or rural areas. As neighborhoods attract new residents with different income levels and lifestyle preferences, property values may rise, leading to displacement of long-time residents and changes in the character and identity of the neighborhood. Understanding population density, age distribution, household size and income levels helps inform decisions related to zoning, transportation infrastructure, housing development and public amenities. Lastly, using Greenwich demographics for planning and development of affordable housing can help prevent displacement.

Social Cohesion: The analysis and understanding of demographics are essential for promoting social cohesion and fostering appreciation among diverse communities. By embracing and acknowledging differences in Greenwich demographics, societies can promote inclusivity, diversity and social harmony while addressing social inequalities and advocating for equal opportunities. Racial demographics can reflect the diversity within a population and are instrumental in fostering inclusive and welcoming communities. Embracing ethnic diversity strengthens social connections, promotes cultural understanding and enriches society by celebrating the contributions of individuals from diverse racial and ethnic backgrounds.

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Demographics Quick Facts

  • The population density in Greenwich is 264% higher than Connecticut
  • The median age in Greenwich is 11% higher than Connecticut
  • In Greenwich 76.66% of the population is White
  • In Greenwich 5.31% of the population is Black
  • In Greenwich 8.43% of the population is Asian

Compare Greenwich, CT Demographics

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      Greenwich racial demographics

      Race Greenwich Connecticut National
      White 76.66% 77.14% 73.35%
      Black 5.31% 10.39% 12.63%
      Asian 8.43% 4.26% 5.22%
      American Indian 0.17% 0.26% 0.82%
      Native Hawaiian 0.07% 0.03% 0.18%
      Mixed race 5.62% 2.98% 3.06%
      Other race 3.75% 4.95% 4.75%
      In Greenwich, 19.6% 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 United States Census Bureau American Community Survey (ACS).