Colchester CDP, Connecticut Demographics & Population 2026

Population Overview

Colchester CDP is a small community located in Connecticut. The total population is 4,624. It ranks as the 69th most populous out of 215 cities and towns in Connecticut.

Age Demographics

The median age in Colchester CDP is 52.0 years. This is 26% higher than the state median of 41.2 years. Only 13.9% of residents are under 18, indicating fewer families with children. 13.1% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.

Economy, Income & Housing

The median household income in Colchester CDP is $79,685. This is 15% lower than the state median of $93,760. Compared to the national median of $78,538, household income here is 1% higher. The poverty rate stands at 7.8%. This is 22% lower than the state poverty rate of 10.0%. The unemployment rate is 3.4%. This is 39% lower than the state rate of 5.7%. The median home value is $280,500. Housing costs are 18% lower than the state median of $343,200. The home-value-to-income ratio is 3.5x. 56.0% of occupied housing units are owner-occupied. This homeownership rate is 15% lower than the state average of 66.2%.

Race & Ethnicity

Colchester CDP has a predominantly White (non-Hispanic) population, comprising 91.4% of all residents. Hispanic or Latino residents account for 4.1%. The Black or African American population (1.0%) is well below the state average of 9.9%. The Hispanic or Latino population (4.1%) is well below the state average of 17.8%. The Asian population (0.7%) is well below the state average of 4.7%.

Education

34.4% of residents aged 25 and older hold a bachelor's degree or higher. This is 18% lower than the state rate of 41.9%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 96.0%.

Data Sources & Methodology

All demographic data for Colchester CDP, Connecticut is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against Connecticut state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 215 Census-designated places in Connecticut. For official data, visit data.census.gov.