Elementary School District · CA
Ontario-Montclair School District
Ontario-Montclair School District is a elementary school district in California with a community population of 165,937. The median household income is $78,001 and the median age is 33.5.
165,937
Population
6794
People / sq mi
$78,001
Median Income
33.5
Median Age
Ontario-Montclair School District covers 24 sq mi of land at 6793.5 people per square mile.
Race & Ethnicity
| White | 20.4% |
| Black or African American | 0.1% |
| Asian | 16.0% |
| Hispanic or Latino (any race) | 0.0% |
Economy & Income
$78,001
Median Household Income
$28,056
Per Capita Income
12.2%
Poverty Rate
4.0%
Unemployment
Housing
$570,100
Median Home Value
$1,842
Median Rent
54.3%
Homeownership
Education Attainment
72.9%
High School+
16.6%
Bachelor's+
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State rankings
Frequently Asked Questions
Ontario-Montclair School District serves a community with a population of 165,937 according to the latest Census ACS 5-Year estimates. This elementary school district is located in California.
The median household income in Ontario-Montclair School District is $78,001, with a per capita income of $28,056. The poverty rate is 12.2%.
Ontario-Montclair School District is 20.4% White, 0.1% Black or African American, 16.0% Asian, and 0.0% Hispanic or Latino, per Census ACS data.
In Ontario-Montclair School District, 72.9% of adults have a high school diploma or higher, and 16.6% hold a bachelor's degree or higher, per Census ACS estimates.
The median home value in Ontario-Montclair School District is $570,100, with a median rent of $1,842. The homeownership rate is 54.3%.
More from California
Data for Ontario-Montclair School District from the American Community Survey 5-Year estimates. Land area from Census Gazetteer files. This is a elementary school district (GEOID: 0628470).
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.
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.