Unified School District · WA
Highline School District
Highline School District is a unified school district in Washington with a community population of 136,437. The median household income is $89,005 and the median age is 38.8.
136,437
Population
4415
People / sq mi
$89,005
Median Income
38.8
Median Age
Highline School District covers 31 sq mi of land at 4414.7 people per square mile.
Race & Ethnicity
| White | 43.8% |
| Black or African American | 0.0% |
| Asian | 31.5% |
| Hispanic or Latino (any race) | 0.0% |
Economy & Income
$89,005
Median Household Income
$45,907
Per Capita Income
8.2%
Poverty Rate
4.4%
Unemployment
Housing
$619,300
Median Home Value
$1,743
Median Rent
55.2%
Homeownership
Education Attainment
86.5%
High School+
32.8%
Bachelor's+
Other Washington School Districts
Largest Cities in Washington
Largest Counties in Washington
Congressional Districts in Washington
State rankings
Frequently Asked Questions
Highline School District serves a community with a population of 136,437 according to the latest Census ACS 5-Year estimates. This unified school district is located in Washington.
The median household income in Highline School District is $89,005, with a per capita income of $45,907. The poverty rate is 8.2%.
Highline School District is 43.8% White, 0.0% Black or African American, 31.5% Asian, and 0.0% Hispanic or Latino, per Census ACS data.
In Highline School District, 86.5% of adults have a high school diploma or higher, and 32.8% hold a bachelor's degree or higher, per Census ACS estimates.
The median home value in Highline School District is $619,300, with a median rent of $1,743. The homeownership rate is 55.2%.
More from Washington
Data for Highline School District from the American Community Survey 5-Year estimates. Land area from Census Gazetteer files. This is a unified school district (GEOID: 5303540).
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.
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.