Colchester Flag

Colchester

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

Colchester is a CDP located in Southeastern CT Planning Region, Connecticut. Colchester has a 2025 population of 4,890. Colchester is currently growing at a rate of 0.16% annually but its population has decreased by -4.99% since the most recent census, which recorded a population of 5,147 in 2020.

The average household income in Colchester is $95,625 with a poverty rate of 7.82%.The median age in Colchester is 52 years: 44 years for males, and 57.4 years for females.

4.9K
Total Population
1,094
Density (mi²)
8 0.16%
Growth

Colchester Population

Colchester Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Colchester includes 93.01% White, and smaller percentages for other race, Two or more races, Black or African American, Asian and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White4,30193.01%
Other race1262.72%
Two or more races1172.53%
Black or African American481.04%
Asian320.69%

Colchester Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Colchester's average per capita income is $60,282. Household income levels show a median of $79,685. The poverty rate stands at 7.82%.

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$104,242-
Families$103,220$116,301
Households$79,685$95,625
Non Families$36,196$56,339

$60,282

Average Income

$79,685

Median Household Income

7.82%

Poverty Rate

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)