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Ontario

A city of 180,547 people in California
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Now in Ontario

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Around town

The places and views that make it Ontario

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Outdoors in Ontario

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Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US

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The town at a glance, and the guide to how things work

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About Ontario

City in California, United States
175,265Population
50 sq miArea
1,004 ftElevation

Ontario is a city in southwestern San Bernardino County, California, United States, 35 miles (56 km) east of downtown Los Angeles and 23 miles (37 km) west of downtown San Bernardino, the county seat. Located in the western part of the Inland Empire metropolitan area, it lies just east of Los Angeles County and is part of the Los Angeles metropolitan area. As of the 2020 census, the city had a population of 175,265. The city is home to Ontario International Airport, which is the 8th-busiest airport in the United States by cargo carried, as of 2026. Ontario handles the mass of freight traffic between the ports of Los Angeles and Long Beach and the rest of the country. It takes its name from …

From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)

Town numbers

ZIP code91758, 91761, 91762
Area code840, 909, 951
Living in Ontario

Housing in Ontario

$662K≈ same as a year ago Typical home value · Zillow

The typical Ontario home is worth about $662,000, about the same as a year ago, 13% below the California typical home.

A seller's market

Buyer’sBalancedSeller’s
Days on market45
Sale-to-list100.8%
Sold in May91
Zillow Home Value Index · Redfin Data CenterHousing market →

Safety in Ontario

C

Safety Grade C

Ontario reports more crime per resident than most U.S. towns we grade: about 72% report less. Compared with places its own size, it does better than 65%.

Violent crime per 1,000
Ontario 2.4
California 4.3
U.S. 3.3
Property crime per 1,000
Ontario 15.9
California 18.2
U.S. 15.5
FBI crime data, 2025 · crimes reported to policeCrime & safety →

Schools in Ontario

All Ontario schools →
A−

School Grade A-

The public schools Ontario’s kids attend, from kindergarten through graduation, outperform 81% of California’s districts on state tests and graduation. Among towns with similar incomes, they rank near the top.

#161Best public schoolsof 574 in CA
DistrictOntario-MontclairSchools47

School data from the U.S. Department of Education (NCES, EDFacts). The School Grade is our own summary of state test results and graduation rates, graded within CA. Ratings are from neighbors.

Famous people from Ontario

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How things work in Ontario

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Ontario

California · CA
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Boundary source: https://tigerweb.geo.census.gov/arcgis/rest/services/TIGERweb/Places_CouSub_ConCity_SubMCD/MapServer/18 · 2025-01-01