Unified School District · CA
San Marino Unified School District
San Marino Unified School District is a unified school district in California with a community population of 14,258. The median household income is $196,574 and the median age is 45.4.
14,258
Population
3438
People / sq mi
$196,574
Median Income
45.4
Median Age
San Marino Unified School District covers 4 sq mi of land at 3438.1 people per square mile.
Race & Ethnicity
| White | 21.9% |
| Black or African American | 0.0% |
| Asian | 15.5% |
| Hispanic or Latino (any race) | 0.0% |
Economy & Income
$196,574
Median Household Income
$94,992
Per Capita Income
4.9%
Poverty Rate
4.0%
Unemployment
Housing
$2,000,001
Median Home Value
$3,501
Median Rent
82.7%
Homeownership
Education Attainment
96.8%
High School+
81.4%
Bachelor's+
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State rankings
Frequently Asked Questions
San Marino Unified School District serves a community with a population of 14,258 according to the latest Census ACS 5-Year estimates. This unified school district is located in California.
The median household income in San Marino Unified School District is $196,574, with a per capita income of $94,992. The poverty rate is 4.9%.
San Marino Unified School District is 21.9% White, 0.0% Black or African American, 15.5% Asian, and 0.0% Hispanic or Latino, per Census ACS data.
In San Marino Unified School District, 96.8% of adults have a high school diploma or higher, and 81.4% hold a bachelor's degree or higher, per Census ACS estimates.
The median home value in San Marino Unified School District is $2,000,001, with a median rent of $3,501. The homeownership rate is 82.7%.
More from California
Data for San Marino Unified School District from the American Community Survey 5-Year estimates. Land area from Census Gazetteer files. This is a unified school district (GEOID: 0634860).
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.