Overview
About Ontario
With about 178,347 residents, Ontario is one of California's notable places. Ontario sits in San Bernardino County. The median age is 33.1 and the median household income is $82,806. Homes carry a median value of $568,000, and about 57% of residents own where they live. Hispanic or Latino residents make up the largest share of the population (68.3%). Around 21% of adults hold a bachelor's degree or higher, and the typical commute runs about 32 minutes.
Source: U.S. Census Bureau, American Community Survey (5-year).
Who lives here
Demographics
Source: U.S. Census Bureau, American Community Survey (5-year).
Housing
Property report
Area-level figures. Source: U.S. Census Bureau, ACS (5-year). Parcel-level records coming next.
Education
Schools
Ontario has 39 public schools — 26 elementary, 6 middle, 7 high.
% of students at or above proficient on state assessments.
Public schools + grade-8 proficiency. Source: U.S. Dept. of Education (NCES directory + EDFacts assessments), via Urban Institute.
Safety
Crime
Rate per 100,000 residents/year, Ontario Police Department, 2023. Source: FBI UCR/NIBRS (Crime Data Explorer).
Environment
Environmental hazards
70 facilities in Ontario report releasing toxic chemicals to the EPA under the Toxics Release Inventory (TRI).
Facilities reporting to the EPA Toxics Release Inventory. Source: U.S. EPA Envirofacts (TRI).
Risk
Natural disaster risk
County-level natural-hazard risk. Source: FEMA National Risk Index.
Context
Neighborhood info
Ontario is in San Bernardino County — see county-wide risk, demographics, and registry.
Ontario sits in San Bernardino County. Elevation ~306 m.
5 on the National Register of Historic Places.
Public records
Incarceration records — San Bernardino County
Most-recorded names in San Bernardino County booking & incarceration records:
Names with the most public booking/incarceration records in the county. Source: state & county correctional rosters (first-party).
Registered sex offenders in Ontario, CA (16)
Public sex-offender registry records for Ontario, California.
Source: Dru Sjodin National Sex Offender Public Website (NSOPW) and state registries. Public record. This information is provided for public awareness. Using it to harass, threaten, or discriminate against any registrant, or for any purpose prohibited by law, is illegal. Verify against the official registry record before relying on it.
Common questions