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Population Review

Unified School District · WA

Mill A School District

Mill A School District is a unified school district in Washington with a community population of 492. The median household income is $64,375 and the median age is 61.3.

492

Population

9

People / sq mi

$64,375

Median Income

61.3

Median Age

Mill A School District covers 56 sq mi of land at 8.9 people per square mile.

Race & Ethnicity

White86.6%
Black or African American0.0%
Asian65.9%
Hispanic or Latino (any race)0.0%

Economy & Income

$64,375

Median Household Income

$37,717

Per Capita Income

9.0%

Poverty Rate

2.7%

Unemployment

Housing

$404,900

Median Home Value

$1,365

Median Rent

78.3%

Homeownership

Education Attainment

90.3%

High School+

21.8%

Bachelor's+

Other Washington School Districts

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State rankings

Frequently Asked Questions

Mill A School District serves a community with a population of 492 according to the latest Census ACS 5-Year estimates. This unified school district is located in Washington.

The median household income in Mill A School District is $64,375, with a per capita income of $37,717. The poverty rate is 9.0%.

Mill A School District is 86.6% White, 0.0% Black or African American, 65.9% Asian, and 0.0% Hispanic or Latino, per Census ACS data.

In Mill A School District, 90.3% of adults have a high school diploma or higher, and 21.8% hold a bachelor's degree or higher, per Census ACS estimates.

The median home value in Mill A School District is $404,900, with a median rent of $1,365. The homeownership rate is 78.3%.

Data for Mill A School District from the American Community Survey 5-Year estimates. Land area from Census Gazetteer files. This is a unified school district (GEOID: 5305040).

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.

Practical use of this page is in combination with the comparison and ranking pages elsewhere on the site, which surface the same data for this entity’s peers within U.S. states, metros, cities, and ZIPs. A single-entity reading without peer context can be misleading when an entity is an outlier on one axis but typical on another.

Source: U.S. Census Bureau ACS, 2026.