Elementary School District · CA
San Antonio Union Elementary School District
San Antonio Union Elementary School District is a elementary school district in California with a community population of 2,800. The median household income is $105,167 and the median age is 29.7.
2,800
Population
6
People / sq mi
$105,167
Median Income
29.7
Median Age
San Antonio Union Elementary School District covers 466 sq mi of land at 6.0 people per square mile.
Race & Ethnicity
| White | 77.5% |
| Black or African American | 0.0% |
| Asian | 52.7% |
| Hispanic or Latino (any race) | 0.0% |
Economy & Income
$105,167
Median Household Income
$41,892
Per Capita Income
15.7%
Poverty Rate
1.0%
Unemployment
Housing
$535,700
Median Home Value
$1,190
Median Rent
70.6%
Homeownership
Education Attainment
94.2%
High School+
21.9%
Bachelor's+
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State rankings
Frequently Asked Questions
San Antonio Union Elementary School District serves a community with a population of 2,800 according to the latest Census ACS 5-Year estimates. This elementary school district is located in California.
The median household income in San Antonio Union Elementary School District is $105,167, with a per capita income of $41,892. The poverty rate is 15.7%.
San Antonio Union Elementary School District is 77.5% White, 0.0% Black or African American, 52.7% Asian, and 0.0% Hispanic or Latino, per Census ACS data.
In San Antonio Union Elementary School District, 94.2% of adults have a high school diploma or higher, and 21.9% hold a bachelor's degree or higher, per Census ACS estimates.
The median home value in San Antonio Union Elementary School District is $535,700, with a median rent of $1,190. The homeownership rate is 70.6%.
More from California
Data for San Antonio 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: 0634050).
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.