Colchester, CT Profile: Facts & Data


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Colchester, Connecticut - Basic Facts

The Colchester Census Designated Place had a population of 4,782 as of July 1, 2018.

The primary coordinate point for Colchester is located at latitude 41.5778 and longitude -72.3329 in New London County. The formal boundaries for the Colchester Census Designated Place (see map below) encompass a land area of 4.47 sq. miles and a water area of 0 sq. miles. New London County is in the Eastern time zone (GMT -5). The elevation is 466 feet.

The Colchester Census Designated Place (GNIS ID: 2378348) 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 Colchester Census Designated Place is located within Town of Colchester, a minor civil division (MCD) of New London County.

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  1. Colchester 2018 Demographic Data
  2. Growth Rates for Colchester (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.


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


Total Population 4,782
Population in Households 4,622
Population in Familes 3,672
Population in Group Qrtrs 160
Population Density2 1,070
Diversity Index3 29


Median Household Income $69,680
Average Household Income $84,299
Per Capita Income $34,949


Total Housing Units 2,137 (100%)
Owner Occupied HU 1,233 (57.7%)
Renter Occupied HU 758 (35.5%)
Vacant Housing Units 146 ( 6.8%)
Median Home Value $243,375
Average Home Value $255,495


Total Households 1,991
Average Household Size 2.32
Family Households 1,270
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 0.0% -0.11%
Households 0.06% -0.12%
Families 0.37% -0.17%
Median Household Income   2.43%
Per Capita Income   3.16%

Colchester, CT - Peer Comparisons by Rank and Percentile

The table below compares Colchester 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 # 62 57th
Population Density # 92 36th
Diversity Index # 78 46th
Median Household Income # 81 44th
Per Capita Income # 93 35th

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

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