Unified School District · ME
Islesboro
Islesboro is a unified school district in Maine with a community population of 636. The median household income is $88,438 and the median age is 57.0.
636
Population
44
People / sq mi
$88,438
Median Income
57.0
Median Age
Islesboro covers 15 sq mi of land at 43.7 people per square mile.
Race & Ethnicity
| White | 95.8% |
| Black or African American | 0.0% |
| Asian | 67.5% |
| Hispanic or Latino (any race) | 0.0% |
Economy & Income
$88,438
Median Household Income
$61,249
Per Capita Income
3.4%
Poverty Rate
8.1%
Unemployment
Housing
$288,800
Median Home Value
$938
Median Rent
91.8%
Homeownership
Education Attainment
96.7%
High School+
47.8%
Bachelor's+
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Frequently Asked Questions
Islesboro serves a community with a population of 636 according to the latest Census ACS 5-Year estimates. This unified school district is located in Maine.
The median household income in Islesboro is $88,438, with a per capita income of $61,249. The poverty rate is 3.4%.
Islesboro is 95.8% White, 0.0% Black or African American, 67.5% Asian, and 0.0% Hispanic or Latino, per Census ACS data.
In Islesboro, 96.7% of adults have a high school diploma or higher, and 47.8% hold a bachelor's degree or higher, per Census ACS estimates.
The median home value in Islesboro is $288,800, with a median rent of $938. The homeownership rate is 91.8%.
More from Maine
Data for Islesboro from the American Community Survey 5-Year estimates. Land area from Census Gazetteer files. This is a unified school district (GEOID: 2306810).
The this entity record above pulls directly from the U.S. Census Bureau ACS and decennial files. What follows is the per-entity context — how this entity sits in the broader U.S. population demographics distribution and which underlying factors drive the headline numbers.
The methodology behind every numeric value on this page is publicly documented on the the U.S. Census Bureau ACS and decennial files portal and described in detail on this site’s methodology page. Refresh cadence varies by underlying series; the page surfaces the as-of date for each number so readers can trace any figure back to the source release.
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.