Unified School District · ME
School Administrative District 20
School Administrative District 20 is a unified school district in Maine with a community population of 3,309. The median household income is $70,852 and the median age is 49.7.
3,309
Population
43
People / sq mi
$70,852
Median Income
49.7
Median Age
School Administrative District 20 covers 77 sq mi of land at 43.0 people per square mile.
Race & Ethnicity
| White | 92.4% |
| Black or African American | 0.0% |
| Asian | 51.4% |
| Hispanic or Latino (any race) | 0.0% |
Economy & Income
$70,852
Median Household Income
$45,492
Per Capita Income
7.9%
Poverty Rate
5.4%
Unemployment
Housing
$161,000
Median Home Value
$945
Median Rent
78.2%
Homeownership
Education Attainment
91.4%
High School+
35.0%
Bachelor's+
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State rankings
Frequently Asked Questions
School Administrative District 20 serves a community with a population of 3,309 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 20 is $70,852, with a per capita income of $45,492. The poverty rate is 7.9%.
School Administrative District 20 is 92.4% White, 0.0% Black or African American, 51.4% Asian, and 0.0% Hispanic or Latino, per Census ACS data.
In School Administrative District 20, 91.4% of adults have a high school diploma or higher, and 35.0% hold a bachelor's degree or higher, per Census ACS estimates.
The median home value in School Administrative District 20 is $161,000, with a median rent of $945. The homeownership rate is 78.2%.
More from Maine
Data for School Administrative District 20 from the American Community Survey 5-Year estimates. Land area from Census Gazetteer files. This is a unified school district (GEOID: 2310890).
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.