Colchester Flag

Colchester

County Seat:
No
Area (mi²):
4.469
State:
Connecticut

Colchester is a CDP located in Southeastern Connecticut Planning Region, Connecticut. Colchester has a 2026 population of 4,588. Colchester is currently declining at a rate of -0.26% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.

The median household income in Colchester is $86,760 with a poverty rate of 5.72%. The median age in Colchester is 54.2 years: 47.2 years for males, and 57.1 years for females. For every 100 females there are 100.2 males.

4.6K
Total Population
1,027
Density (mi²)
-12 -0.26%
Growth

Colchester Population

Colchester Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20264,588-12-0.26%
20254,600-12-0.26%

Median Age

Overall: 54.2 years
Female: 57.1 years
Male: 47.2 years

Colchester Adults

There are 4,150 adults, (1,318 of whom are seniors) in Colchester.

Sex Ratio

Female: 2,344 (50%)
Male: 2,348 (50%)

Demographics

The racial composition of Colchester includes 89.09% White, 3.73% other race, and smaller percentages for Asian, Two or more races, Black or African American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White4,18089.09%
Other race1753.73%
Asian1272.71%
Two or more races1252.66%
Black or African American851.81%
Race
Population ↓
Percentage (of total)
Other race1483.15%
White120.26%
Two or more races90.19%
Race
Population ↓
Percentage (of total)
White4,16888.83%
Asian1272.71%
Two or more races1162.47%
Black or African American851.81%
Other race270.58%

Colchester Marital Status

Economics and Income Statistics

Colchester 's average per capita income is $65,186. Household income levels show a median of $86,760. The poverty rate stands at 5.72%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Married Families$109,750-
Families$108,000$127,420
Households$86,760$104,733
Non Families$42,708$59,492

$65,186

Average Income

$86,760

Median Household Income

5.72%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)