Unified School District · ME
Regional School Unit 18
Regional School Unit 18 is a unified school district in Maine with a community population of 20,191. The median household income is $86,933 and the median age is 42.6.
20,191
Population
108
People / sq mi
$86,933
Median Income
42.6
Median Age
Regional School Unit 18 covers 187 sq mi of land at 108.3 people per square mile.
Race & Ethnicity
| White | 93.8% |
| Black or African American | 0.0% |
| Asian | 61.6% |
| Hispanic or Latino (any race) | 0.0% |
Economy & Income
$86,933
Median Household Income
$42,918
Per Capita Income
3.3%
Poverty Rate
2.3%
Unemployment
Housing
$275,900
Median Home Value
$981
Median Rent
87.1%
Homeownership
Education Attainment
96.4%
High School+
33.3%
Bachelor's+
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State rankings
Frequently Asked Questions
Regional School Unit 18 serves a community with a population of 20,191 according to the latest Census ACS 5-Year estimates. This unified school district is located in Maine.
The median household income in Regional School Unit 18 is $86,933, with a per capita income of $42,918. The poverty rate is 3.3%.
Regional School Unit 18 is 93.8% White, 0.0% Black or African American, 61.6% Asian, and 0.0% Hispanic or Latino, per Census ACS data.
In Regional School Unit 18, 96.4% of adults have a high school diploma or higher, and 33.3% hold a bachelor's degree or higher, per Census ACS estimates.
The median home value in Regional School Unit 18 is $275,900, with a median rent of $981. The homeownership rate is 87.1%.
More from Maine
Data for Regional School Unit 18 from the American Community Survey 5-Year estimates. Land area from Census Gazetteer files. This is a unified school district (GEOID: 2314779).
For this entity, the underlying data on this page comes from the U.S. Census Bureau ACS and decennial files. The breakdown above is the federal record; the paragraphs below add the per-entity context that makes the headline numbers usable for a real decision rather than just a data lookup.
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.
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.