Unified School District · WA
North Mason School District
North Mason School District is a unified school district in Washington with a community population of 17,983. The median household income is $90,086 and the median age is 47.2.
17,983
Population
139
People / sq mi
$90,086
Median Income
47.2
Median Age
North Mason School District covers 130 sq mi of land at 138.5 people per square mile.
Race & Ethnicity
| White | 78.3% |
| Black or African American | 0.0% |
| Asian | 59.7% |
| Hispanic or Latino (any race) | 0.0% |
Economy & Income
$90,086
Median Household Income
$41,728
Per Capita Income
5.3%
Poverty Rate
3.6%
Unemployment
Housing
$438,100
Median Home Value
$1,366
Median Rent
85.1%
Homeownership
Education Attainment
93.8%
High School+
19.5%
Bachelor's+
Other Washington School Districts
Largest Cities in Washington
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Congressional Districts in Washington
State rankings
Frequently Asked Questions
North Mason School District serves a community with a population of 17,983 according to the latest Census ACS 5-Year estimates. This unified school district is located in Washington.
The median household income in North Mason School District is $90,086, with a per capita income of $41,728. The poverty rate is 5.3%.
North Mason School District is 78.3% White, 0.0% Black or African American, 59.7% Asian, and 0.0% Hispanic or Latino, per Census ACS data.
In North Mason School District, 93.8% of adults have a high school diploma or higher, and 19.5% hold a bachelor's degree or higher, per Census ACS estimates.
The median home value in North Mason School District is $438,100, with a median rent of $1,366. The homeownership rate is 85.1%.
More from Washington
Data for North Mason School District from the American Community Survey 5-Year estimates. Land area from Census Gazetteer files. This is a unified school district (GEOID: 5305790).
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.
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.