Ontario, California

Ontario: The second most populous city in San Bernardino County, California. It is located east of Los Angeles. Ontario is known for its many parks and green spaces, its many historical sites


Ontario is a city located in the county of San Bernardino in the U.S. state of California. Its population at the 2010 census was 163,924. After 10 years in 2020 city had an estimated population of 183,393 inhabitants.

The city was created 132 years ago in 1891.

Located in the heart of Southern California's Inland Empire, Ontario offers family entertainment, outdoor recreation, and regional attractions. Affordable accommodations and a strategic location make Ontario an ideal home base for SoCal adventures.

Kid-Friendly Attractions

Families flock to Ontario for unique attractions like the Kidspace Children's Museum, with hands-on science exhibits and outdoor learning environments. At Funderland Amusement Park, kids enjoy mini rides, arcade games, bumper cars and more.

The Ontario Mills Mall delights youngsters with its indoor carousel, LEGOLAND Discovery Center, and aquarium.

Outdoor Recreation

In mild weather, Ontario visitors head to the Whispering Lakes Golf Course or the Cucamonga-Guasti Regional Park, offering fishing, archery, and nature walks.

Nearby recreation includes trails in the San Bernardino National Forest, skiing at Mt. Baldy, and beaches along the Pacific Coast.

Regional Access

Ontario International Airport makes arrivals easy from across the country and the world. Once in town, visitors can access popular area attractions like Disneyland, beaches, deserts, mountains, and Los Angeles sports and entertainment.

Affordable hotels and plentiful dining options accommodate all travelers in Ontario.

With kid-approved attractions and convenient regional access, Ontario appeals to families seeking fun and adventure in sunny Southern California.

Ontario locator map
Location of Ontario on California map.

Quick Facts about Ontario

Population : 183,393 (2020)
Country : United States of America
State : California (United States)
County : San Bernardino County
Phone Area Codes : 2411323
Water as percent of area : 0.13%
Land as percent of area : 99.87%
Altitude : 1,004 feet / 306 meters
Establishment : December 12, 1891 (132 years ago)
Time Zone : America/Los_Angeles
Local time : 11:36:33 (17th April 2024)
Postal code : 91761
Population growth : 10.62% (2010-2020)
Ontario Convention Center image
Ontario Convention Center
Ontario Convention Center image


Ontario is located at 34°3'48"N 117°39'3"W (34.0633400, -117.6508900).

Ontario map

  • Ahome, Los Mochis
  • Brockville
  • East Coast Bays
  • Guamúchil
  • Mocorito
  • Winterthur (1982 )


The population of Ontario increased by 10.62% in 10 years.

Year Population % Change Method
2010 163,924 - census
2011 165,756 1.11% estimation process
2012 166,630 0.52% estimation process
2013 167,096 0.28% estimation process
2014 168,097 0.6% estimation process
2015 170,210 1.24% estimation process
2016 172,561 1.36% estimation process
2017 175,334 1.58% estimation process
2018 180,718 2.98% estimation process
2019 185,010 2.32% estimation process
2020 183,393 -0.88% estimation process

Ontario zip code is 91761. County name: San Bernardino, County fips: 06071

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People born in Ontario (40)

People born in Ontario, including football player Antonio Pierce, soccer player Landon Donovan, diver Harold Smith, .


  • Anthony Muñoz (American football player) he was born in 19/08/1958
  • Henry Bumstead (art director) he was born in 17/03/1915
  • Gilbert Espinosa Chávez (Auxiliary bishop of San Diego) he was born in 09/05/1932
  • Jay Anderson (Double Bassist) he was born in 24/10/1955
  • Jack Toomay (American professional basketball player) he was born in 09/08/1922
  • Bill Graber (American pole vaulter) he was born in 21/01/1911
  • Robert Graettinger (American composer) he was born in 31/07/1941
  • Prince Fielder (baseball player from the United States) he was born in 09/05/1984
  • Jeff Pendergraph (American basketball player) he was born in 29/04/1987
  • Rod Barajas (American baseball player) he was born in 05/09/1975
  • T Lopez (actress and singer) she was born in 18/04/1981
  • Doug Northway (American swimmer, Olympic bronze medalist, former world record-holder) he was born in 28/04/1955
  • Omar Bolden (American football defensive back) he was born in 20/12/1988
  • Brian Allen (Player of American football) he was born in 20/04/1980
  • Dani Jensen (American movie film actress) she was born in 26/12/1987
  • Del Crandall (American baseball player and coach) he was born in 05/03/1930
  • Ed Henke (American football player (1927-2015)) he was born in 13/12/1927
  • George Bjorkman (American baseball player) he was born in 26/08/1956

Schools in Ontario

College & universities near Ontario, CA

Code Name City ZIP
490212 Baldy View Regional Occupational Program Ontario (CA) 91764-5500
121859 Salon Success Academy-Upland Upland (CA) 91786
484631 University of Phoenix-California Ontario (CA) 91761
482431 DeVry University-California Ontario (CA) 91764
458229 West Coast University-Ontario Ontario (CA) 91761

Stations (48)

Amtrak & bus stations near Ontario, CA

Code Name Address Type
ONA Ontario 228 South Plum Street RAIL
CLM Claremont, California 200 West First St. BUS
POS Pomona station 100 West Commercial Street RAIL
RIV Riverside–Downtown 4066 Vine St. RAIL
SNB San Bernardino Santa Fe Depot 1170 West Third Street (all Trains and Buses) RAIL

Post offices near Ontario

Post Office Name City ZIP
Downtown Ontar Post Office Ontario (CA) 91762
Plaza Center Post Office Ontario (CA) 91762
Ontar Post Office Ontario (CA) 91761
Montclair Post Office Montclair (CA) 91763
Upland Post Office Upland (CA) 91785

Other places with the same name (6)

Other cities in San Bernardino County

Cities, towns, neighborhoods & other populated places in San Bernardino County , CA. (more)

City Name Population Title
San Bernardino 217,491 The second most populous city in San Bernardino County, California.
Fontana 216,173 The second most populous city in San Bernardino County, California.
Rancho Cucamonga 178,849 The sixth most populous city in San Bernardino County, California.
Victorville 124,982 The most populous city in San Bernardino County, California.
Rialto 104,132 The most populous city in San Bernardino County, California.
Hesperia 96,911 A city in San Bernardino County, California.
Chino 92,290 A city in San Bernardino County, California.
Chino Hills 84,586 A city in San Bernardino County, California.
Upland 77,850 A city in San Bernardino County, California.
Apple Valley 74,061 Town in San Bernardino County, California, United States
Redlands 72,271 A city in San Bernardino County, California.
Highland 55,696 A city in San Bernardino County, California.
Yucaipa 54,833 A city in San Bernardino County, California.
Colton 54,661 A city in San Bernardino County, California.
Montclair 40,600 A city in Los Angeles County, California.
Adelanto 34,537 City in San Bernardino County, California

Distance to Other Cities

Ontario distances to largest California cities