Unified School District · ME
Long Island
Long Island is a unified school district in Maine with a community population of 249. The median household income is $91,250 and the median age is 47.5.
249
Population
173
People / sq mi
$91,250
Median Income
47.5
Median Age
Long Island covers 1 sq mi of land at 173.2 people per square mile.
Race & Ethnicity
| White | 81.9% |
| Black or African American | 0.0% |
| Asian | 51.0% |
| Hispanic or Latino (any race) | 0.0% |
Economy & Income
$91,250
Median Household Income
$49,851
Per Capita Income
5.6%
Poverty Rate
0.5%
Unemployment
Housing
$551,100
Median Home Value
$2,194
Median Rent
87.5%
Homeownership
Education Attainment
99.5%
High School+
50.3%
Bachelor's+
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Largest Cities in Maine
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State rankings
Frequently Asked Questions
Long Island serves a community with a population of 249 according to the latest Census ACS 5-Year estimates. This unified school district is located in Maine.
The median household income in Long Island is $91,250, with a per capita income of $49,851. The poverty rate is 5.6%.
Long Island is 81.9% White, 0.0% Black or African American, 51.0% Asian, and 0.0% Hispanic or Latino, per Census ACS data.
In Long Island, 99.5% of adults have a high school diploma or higher, and 50.3% hold a bachelor's degree or higher, per Census ACS estimates.
The median home value in Long Island is $551,100, with a median rent of $2,194. The homeownership rate is 87.5%.
More from Maine
Data for Long Island from the American Community Survey 5-Year estimates. Land area from Census Gazetteer files. This is a unified school district (GEOID: 2300009).
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.
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.
For readers using this page as a decision input, the related-entity pages elsewhere on the site provide the comparison set. The most useful comparison for this entity is typically a peer within U.S. states, metros, cities, and ZIPs with similar size, similar exposure, or similar geography — not the national-level summary alone.
Source: U.S. Census Bureau ACS, 2026.