Old Greenwich, CT Profile: Facts & Data


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Old Greenwich, Connecticut - Basic Facts

The Old Greenwich Census Designated Place had a population of 6,886 as of July 1, 2018. Old Greenwich ranks in the upper quartile for Population Density when compared to the other cities, towns and Census Designated Places (CDPs) in Connecticut. See peer rankings below.

The primary coordinate point for Old Greenwich is located at latitude 41.0201 and longitude -73.5677 in Fairfield County. The formal boundaries for the Old Greenwich Census Designated Place (see map below) encompass a land area of 2 sq. miles and a water area of 1.48 sq. miles. Fairfield County is in the Eastern time zone (GMT -5). The elevation is 20 feet.

The Old Greenwich Census Designated Place (GNIS ID: 2631571) has a U1 Census Class Code which indicates a census designated place with an official federally recognized name. It also has a Functional Status Code of "S" which identifies a statistical entity.

The Old Greenwich Census Designated Place is located within Town of Greenwich, a minor civil division (MCD) of Fairfield County.

Alternate Unofficial Names for Old Greenwich: Greenwich Old Town, Monakeway, SoundBeach.

Jump to... (On This Page!)
  1. Old Greenwich 2018 Demographic Data
  2. Growth Rates for Old Greenwich (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Connecticut Research Tools (Easy Tools & Current Data)
  3. Connecticut Data Comparison Tool - 2018 Demographics

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Boundary Maps, Demographic Data, School Zones Review maps and data for the neighborhood, city, county, ZIP Code, and school zone. July 1, 2018, data includes home values, household income, percentage of homes owned, rented or vacant, etc.


Old Greenwich, CT Data & Demographics (As of July 1, 2018)


Total Population 6,886
Population in Households 6,875
Population in Familes 6,260
Population in Group Qrtrs 11
Population Density2 3,451
Diversity Index3 33


Median Household Income $200,001
Average Household Income $293,399
Per Capita Income $98,765


Total Housing Units 2,484 (100%)
Owner Occupied HU 1,846 (74.3%)
Renter Occupied HU 471 (19.0%)
Vacant Housing Units 167 ( 6.7%)
Median Home Value $1,433,486
Average Home Value $1,454,049


Total Households 2,317
Average Household Size 2.97
Family Households 1,833
Average Family Size 3
  1. Demographics are point estimates for July 1st of the current year and each for the forecast years. See References for more information.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2018 2018-2023
Population 0.5% 0.43%
Households 0.3% 0.31%
Families 0.25% 0.29%
Median Household Income   0.0%
Per Capita Income   1.49%

Old Greenwich, CT - Peer Comparisons by Rank and Percentile

The table below compares Old Greenwich to the other 142 incorporated cities, towns and CDPs in Connecticut by rank and percentile using July 1, 2018 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 52 64th
Population Density # 20 87th
Diversity Index # 67 54th
Median Household Income # 1 99th
Per Capita Income # 1 100th

Additional comparisons and rankings can be made with a VERY EASY TO USE Connecticut Census Data Comparison Tool.

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