Green Harbor CDP, Massachusetts Demographics & Population 2026

Population Overview

Green Harbor CDP is a small community located in Massachusetts. The total population is 1,254. It ranks as the 218th most populous out of 248 cities and towns in Massachusetts.

Age Demographics

The median age in Green Harbor CDP is 69.2 years. This is 73% higher than the state median of 40.0 years. Only 14.0% of residents are under 18, indicating fewer families with children. 11.7% 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 Green Harbor CDP is $195,930. This is 93% higher than the state median of $101,341. Compared to the national median of $78,538, household income here is 149% higher. The poverty rate stands at 6.8%. This is 32% lower than the state poverty rate of 10.0%. The unemployment rate is 3.0%. This is 42% lower than the state rate of 5.1%. The median home value is $825,600. Housing costs are 57% higher than the state median of $525,800. The home-value-to-income ratio is 4.2x. 100.0% of occupied housing units are owner-occupied. This homeownership rate is 60% higher than the state average of 62.6%.

Race & Ethnicity

Green Harbor CDP has a predominantly White (non-Hispanic) population, comprising 100.0% of all residents.

Education

34.0% of residents aged 25 and older hold a bachelor's degree or higher. This is 27% lower 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 68.7%.

Data Sources & Methodology

All demographic data for Green Harbor 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.