Unified School District · ME
Grand Isle
Grand Isle is a unified school district in Maine with a community population of 407. The median household income is $35,417 and the median age is 60.3.
407
Population
12
People / sq mi
$35,417
Median Income
60.3
Median Age
Grand Isle covers 35 sq mi of land at 11.8 people per square mile.
Race & Ethnicity
| White | 99.5% |
| Black or African American | 0.0% |
| Asian | 76.9% |
| Hispanic or Latino (any race) | 0.0% |
Economy & Income
$35,417
Median Household Income
$32,407
Per Capita Income
10.3%
Poverty Rate
5.2%
Unemployment
Housing
$85,000
Median Home Value
$794
Median Rent
71.3%
Homeownership
Education Attainment
93.9%
High School+
13.5%
Bachelor's+
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Frequently Asked Questions
Grand Isle serves a community with a population of 407 according to the latest Census ACS 5-Year estimates. This unified school district is located in Maine.
The median household income in Grand Isle is $35,417, with a per capita income of $32,407. The poverty rate is 10.3%.
Grand Isle is 99.5% White, 0.0% Black or African American, 76.9% Asian, and 0.0% Hispanic or Latino, per Census ACS data.
In Grand Isle, 93.9% of adults have a high school diploma or higher, and 13.5% hold a bachelor's degree or higher, per Census ACS estimates.
The median home value in Grand Isle is $85,000, with a median rent of $794. The homeownership rate is 71.3%.
More from Maine
Data for Grand Isle from the American Community Survey 5-Year estimates. Land area from Census Gazetteer files. This is a unified school district (GEOID: 2300005).
this entity is one of the data points covered by this site’s U.S. population demographics dataset. The detail above comes directly from the U.S. Census Bureau ACS and decennial files; the context that follows situates the headline numbers against the broader distribution across U.S. states, metros, cities, and ZIPs.
Every number on this page links back to the U.S. Census Bureau ACS and decennial files; the methodology page describes the inputs, refresh cadence, and known limitations of the underlying data product.
Practical use of this page is in combination with the comparison and ranking pages elsewhere on the site, which surface the same data for this entity’s peers within U.S. states, metros, cities, and ZIPs. A single-entity reading without peer context can be misleading when an entity is an outlier on one axis but typical on another.
Source: U.S. Census Bureau ACS, 2026.