Unified School District · CA
Mount Diablo Unified School District
Mount Diablo Unified School District is a unified school district in California with a community population of 262,655. The median household income is $123,747 and the median age is 40.3.
262,655
Population
2107
People / sq mi
$123,747
Median Income
40.3
Median Age
Mount Diablo Unified School District covers 125 sq mi of land at 2106.9 people per square mile.
Race & Ethnicity
| White | 47.8% |
| Black or African American | 0.1% |
| Asian | 34.8% |
| Hispanic or Latino (any race) | 0.1% |
Economy & Income
$123,747
Median Household Income
$58,719
Per Capita Income
5.5%
Poverty Rate
4.0%
Unemployment
Housing
$870,400
Median Home Value
$2,352
Median Rent
65.2%
Homeownership
Education Attainment
89.8%
High School+
44.3%
Bachelor's+
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Frequently Asked Questions
Mount Diablo Unified School District serves a community with a population of 262,655 according to the latest Census ACS 5-Year estimates. This unified school district is located in California.
The median household income in Mount Diablo Unified School District is $123,747, with a per capita income of $58,719. The poverty rate is 5.5%.
Mount Diablo Unified School District is 47.8% White, 0.1% Black or African American, 34.8% Asian, and 0.1% Hispanic or Latino, per Census ACS data.
In Mount Diablo Unified School District, 89.8% of adults have a high school diploma or higher, and 44.3% hold a bachelor's degree or higher, per Census ACS estimates.
The median home value in Mount Diablo Unified School District is $870,400, with a median rent of $2,352. The homeownership rate is 65.2%.
More from California
Data for Mount Diablo Unified School District from the American Community Survey 5-Year estimates. Land area from Census Gazetteer files. This is a unified school district (GEOID: 0626370).
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.
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.