Incorporated place
Ontario
Ontario is an incorporated place in San Bernardino County. Its municipal boundary and overlapping representation and education districts are mapped here.
Explore elections
Data coverage
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The normalized Census boundary is shown; the county municipal layer is archived for validation.
Area overview
Ontario at a glance
Official 2020-2024 American Community Survey estimates are paired with current archived boundary relationships.
Community snapshot
Race and ethnicity
68.6% Hispanic or Latino20.3% White alone9.8% Asian alone6.3% Black alone28.8% Two or more races$88,941 Median household income
Race categories and Hispanic or Latino ethnicity are separate Census concepts and can overlap.
Government browsing
County representation
San Bernardino County Supervisorial District 2San Bernardino County Supervisorial District 4
District boundaries can split a city or Census place; an address remains the final check for exact eligibility.
Public schools
School districts intersecting Ontario
Chaffey Joint Union High School DistrictChino Valley Unified School DistrictCucamonga Elementary School DistrictMountain View Elementary School DistrictOntario-Montclair School District
School and trustee-area assignments can vary by address even within the same location.
Higher education
Community college districts intersecting Ontario
Chaffey Community College DistrictRiverside Community College District
Community college districts are separate from K–12 public school districts and may cross county or city boundaries.
Available records
Ontario election and finance snapshot
Available figures connect Ontario to the District 2 election and linked race summary.
City contests
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published contests currently linked to Ontario
Election pages
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certified and scheduled stages
Reported contributions
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records connected to current summaries
Reported payments
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records connected to current summaries
These totals summarize source-backed records currently connected to the listed contests. Missing or unlinked filings do not mean a candidate, committee, or measure reported zero activity.
Current elections
November 3rd, 2026 Election
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Past elections
Completed elections affecting Ontario
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Community representation
Community advisory bodies
Verified councils or committees that provide a public forum for Ontario and advise San Bernardino County officials.
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These bodies are advisory to county officials; they are not a city council or separate municipal government.
Local reporting
News about Ontario
Direct local reporting is used when available. If no suitable CDP-specific story is available, a clearly labeled county-district story supplies one-level-up context. Please click through to visit and support local journalism.
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Methodology and limits
Data coverage and sources
Coverage is assessed against the information expected for this kind of area and is updated as new relationships are verified.
Current assessment
Developing coverage
Municipal records are available, while school, special-district, and overlapping representation layers remain incomplete.
Assessed August 8, 2026
Sources used on this page
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