Grand Isle CDP, Maine Demographics & Population 2026

Population Overview

Grand Isle CDP is a small community located in Maine. The total population is 244. It ranks as the 152nd most populous out of 155 cities and towns in Maine.

Age Demographics

The median age in Grand Isle CDP is 61.0 years. This is 36% higher than the state median of 44.8 years. Only 8.6% of residents are under 18, indicating fewer families with children. 12.7% 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 Grand Isle CDP is $36,000. This is 50% lower than the state median of $71,773. Compared to the national median of $78,538, household income here is 54% lower. The poverty rate stands at 15.2%. This is 41% higher than the state poverty rate of 10.8%. The unemployment rate is 17.6%. This is 350% higher than the state rate of 3.9%. The median home value is $75,000. Housing costs are 72% lower than the state median of $266,400. With a home-value-to-income ratio of just 2.1x, Grand Isle CDP is one of the most affordable housing markets in the area. 75.4% of occupied housing units are owner-occupied. This homeownership rate is 2% higher than the state average of 74.0%.

Race & Ethnicity

Grand Isle CDP has a predominantly White (non-Hispanic) population, comprising 98.4% of all residents.

Education

13.4% of residents aged 25 and older hold a bachelor's degree or higher. This is 62% lower than the state rate of 35.3%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 88.6%.

Data Sources & Methodology

All demographic data for Grand Isle CDP, Maine 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 Maine state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 155 Census-designated places in Maine. For official data, visit data.census.gov.