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

Demographics

Economics and Income Statistics

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)