Living Person
Ontario,_California
is
As of April 12, 2026
6 years old
approximately!
Date of Birth
(2020 ) is
Rat
Year
* Calculated from Wikipedia data.
Accuracy is not guaranteed.
approx.Cosmic Age Calculator
Moon
approx. 85.1 years old
Mercury
approx. 26.4 years old
Venus
approx. 10.3 years old
Mars
approx. 3.4 years old
Jupiter
approx. 0.5 years old
Saturn
approx. 0.2 years old
* Calculated based on each planet's orbital period.
Ontario, California | |
|---|---|
.jpg) .JPG) .jpg)  Clockwise: Ovitt Family Community Library; Empire Towers; Ontario Convention Center; Chaffey High School | |
 Flag  Seal  Coat of arms | |
| Motto: Southern California's Next Urban Center | |
 Location in San Bernardino County in California | |
  Ontario, California Location relative to Los Angeles County  Ontario, California Ontario, California (California)  Ontario, California Ontario, California (the United States) | |
| Coordinates: 34°03′10″N 117°37′40″W / 34.05278°N 117.62778°W | |
| Country | United States |
| State | California |
| County | San Bernardino |
| Incorporated | December 10, 1891 |
| Named after | Ontario, Canada |
| Government | |
| • Type | City Council / City Manager |
| • City Council | Mayor Paul S. Leon Mayor Pro Tem Alan D. Wapner Debra Dorst-Porada Jim W. Bowman Daisy Macias |
| Area | |
• Total | 50.00 sq mi (129.50 km) |
| • Land | 49.97 sq mi (129.43 km) |
| • Water | 0.031 sq mi (0.08 km) 0.13% |
| Elevation | 1,004 ft (306 m) |
| Population (2020) | |
• Total | 175,265 |
• Estimate (2024) | 185,285 |
| • Rank | 3rd in San Bernardino County 25th in California 143rd in the United States |
| • Density | 3,507/sq mi (1,354.1/km) |
| Time zone | UTC−8 (Pacific) |
| • Summer (DST) | UTC−7 (PDT) |
| ZIP codes | 91758, 91761, 91762, 91764 |
| Area code | 909 |
| FIPS code | 06-53896 |
| GNIS feature IDs | 1652764, 2411323 |
| Website | ontarioca.gov |
Look up "Ontario,_California" on WikipediaWikipedia Categories
- Pomona Valley
- Ontario, California
- 1891 establishments in California
- Use American English from June 2025
- Populated places established in 1891
- Cities in San Bernardino County, California
- Incorporated cities and towns in California
- Chicano and Mexican neighborhoods in California
- Populated places in San Bernardino County, California
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