Unified School District · ME
School Administrative District 51
School Administrative District 51 is a unified school district in Maine with a community population of 12,887. The median household income is $153,676 and the median age is 44.2.
12,887
Population
289
People / sq mi
$153,676
Median Income
44.2
Median Age
School Administrative District 51 covers 45 sq mi of land at 288.9 people per square mile.
Race & Ethnicity
| White | 93.0% |
| Black or African American | 0.0% |
| Asian | 66.4% |
| Hispanic or Latino (any race) | 0.0% |
Economy & Income
$153,676
Median Household Income
$81,092
Per Capita Income
2.8%
Poverty Rate
0.6%
Unemployment
Housing
$580,700
Median Home Value
$1,977
Median Rent
89.5%
Homeownership
Education Attainment
99.0%
High School+
66.0%
Bachelor's+
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State rankings
Frequently Asked Questions
School Administrative District 51 serves a community with a population of 12,887 according to the latest Census ACS 5-Year estimates. This unified school district is located in Maine.
The median household income in School Administrative District 51 is $153,676, with a per capita income of $81,092. The poverty rate is 2.8%.
School Administrative District 51 is 93.0% White, 0.0% Black or African American, 66.4% Asian, and 0.0% Hispanic or Latino, per Census ACS data.
In School Administrative District 51, 99.0% of adults have a high school diploma or higher, and 66.0% hold a bachelor's degree or higher, per Census ACS estimates.
The median home value in School Administrative District 51 is $580,700, with a median rent of $1,977. The homeownership rate is 89.5%.
More from Maine
Data for School Administrative District 51 from the American Community Survey 5-Year estimates. Land area from Census Gazetteer files. This is a unified school district (GEOID: 2314240).
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.