Elementary School District · CA
Island Union Elementary School District
Island Union Elementary School District is a elementary school district in California with a community population of 1,447. The median household income is $84,500 and the median age is 39.9.
1,447
Population
35
People / sq mi
$84,500
Median Income
39.9
Median Age
Island Union Elementary School District covers 41 sq mi of land at 35.0 people per square mile.
Race & Ethnicity
| White | 56.2% |
| Black or African American | 0.0% |
| Asian | 48.0% |
| Hispanic or Latino (any race) | 0.0% |
Economy & Income
$84,500
Median Household Income
$38,027
Per Capita Income
13.2%
Poverty Rate
3.6%
Unemployment
Housing
$627,200
Median Home Value
$1,332
Median Rent
68.0%
Homeownership
Education Attainment
84.6%
High School+
21.4%
Bachelor's+
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Frequently Asked Questions
Island Union Elementary School District serves a community with a population of 1,447 according to the latest Census ACS 5-Year estimates. This elementary school district is located in California.
The median household income in Island Union Elementary School District is $84,500, with a per capita income of $38,027. The poverty rate is 13.2%.
Island Union Elementary School District is 56.2% White, 0.0% Black or African American, 48.0% Asian, and 0.0% Hispanic or Latino, per Census ACS data.
In Island Union Elementary School District, 84.6% of adults have a high school diploma or higher, and 21.4% hold a bachelor's degree or higher, per Census ACS estimates.
The median home value in Island Union Elementary School District is $627,200, with a median rent of $1,332. The homeownership rate is 68.0%.
More from California
Data for Island Union Elementary School District from the American Community Survey 5-Year estimates. Land area from Census Gazetteer files. This is a elementary school district (GEOID: 0618510).
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.
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.
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.