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+
Other California School Districts
Largest Cities in California
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Congressional Districts in California
State rankings
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).
Housing cost is the defining feature of Mount Diablo Unified School District: the median home is valued at $870,400. Mount Diablo Unified School District is a school district in California with a population of 262,655.
Income is a real outlier — the median household pulls in $123,747, putting Mount Diablo Unified School District near the top of US school districts. Poverty runs at 5.5%, below the national 12.4%. Home prices are steep, with the typical property valued at $870,400, with typical rent around $2,352.
Educational attainment is on the higher side for US school districts — 44.3% of adults hold a four-year degree, above the national 35.0%.
High housing values reframe the income picture in Mount Diablo Unified School District — even solid earnings stretch less against home prices and rents at this level.
Source: U.S. Census Bureau ACS, 2026.