Chatham CDP, Massachusetts Demographics & Population 2026

Population Overview

Chatham CDP is a small community located in Massachusetts. The total population is 1,614. It ranks as the 205th most populous out of 248 cities and towns in Massachusetts.

Age Demographics

The median age in Chatham CDP is 67.4 years. This is 69% higher than the state median of 40.0 years. Only 5.1% of residents are under 18, indicating fewer families with children. 26.5% 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 Chatham CDP is $82,269. This is 19% lower than the state median of $101,341. Compared to the national median of $78,538, household income here is 5% higher. The poverty rate stands at 10.1%. This is about average than the state poverty rate of 10.0%. The unemployment rate is 8.5%. This is 65% higher than the state rate of 5.1%. The median home value is $1,550,000. Housing costs are 195% higher than the state median of $525,800. The home-value-to-income ratio of 18.8x suggests that housing affordability is a significant concern for many residents. 79.5% of occupied housing units are owner-occupied. This homeownership rate is 27% higher than the state average of 62.6%.

Race & Ethnicity

Chatham CDP has a predominantly White (non-Hispanic) population, comprising 99.1% of all residents.

Education

60.4% of residents aged 25 and older hold a bachelor's degree or higher. This is 29% higher than the state rate of 46.6%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 98.8%. Notably, 31.3% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for Chatham CDP, Massachusetts 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 Massachusetts state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 248 Census-designated places in Massachusetts. For official data, visit data.census.gov.