Ontario

Informations

Country :United States of America
Region :West
Division :Pacific
State :California - CA
County :San Bernardino County - SA
Established :0000
Municipality :City

Area code :909
Land area :49.8 sq mi (129 km²)
Elevation :988 ft
Population :158,007
Density :3,172.83/sq mi (1,225.04/km²)
Male :50.14%
Female :49.86%
Latitude :34.05 - 34° 0' N
Longitude :-117.63 - 117° 4' W
Time :Thursday, March 12, 2026 - 11:23 PM (UTC -8)

Contact :Mary Wirtes (City Clerk)
Address :City Hall
303 East B Street
Ontario, California 91764-4196  
Phone :(909) 395-2009
Fax :(909) 395-2395
code :909
Website :http://www.ci.ontario.ca.us
E-mail :
DB-City :Ontario

Ancestrie

Ancestrie GermanGerman :5.9 %
Ancestrie IrishIrish :4.3 %
Ancestrie EnglishEnglish :3.9 %
Ancestrie United StatesUnited States :2.8 %
Ancestrie ItalianItalian :2.4 %
Ancestrie DutchDutch :1.5 %

ZIP Code

91761, 91762, 91764

In the same County : San Bernardino County

Nearby cities and villages

Weather Forecast

Map

Ontario, CA news

Point Pelee National Park

Nov 28, 2025 - 08:00 - -

2025 Canada’s Best Locations

Sep 02, 2025 - 13:06 - -

Northern Peatlands in Canada (version 3)

Dec 05, 2025 - 08:00 - -

Office locations

Dec 28, 2025 - 23:08 - -

Well Water Testing

Sep 11, 2025 - 15:35 - -

Parks Canada red chairs

Feb 27, 2026 - 08:00 - -

WeatherCAN

Sep 08, 2025 - 07:00 - -

IKEA to open in Ontario, report says

Jul 16, 2019 - 07:00 - -

Celebrate Canada Day 2025

Nov 03, 2022 - 01:38 - -

Reel

Mar 23, 2025 - 07:00 - -

Ontario’s Ring of Fire

Feb 07, 2022 - 08:00 - -

Top parks to visit in Canada

Jul 31, 2023 - 17:53 - -

Crown Land Use Policy Atlas

Jul 17, 2014 - 07:00 - -

Ontario Petro

Aug 22, 2024 - 07:00 - -

Find an EarlyON child and family centre

Jan 11, 2018 - 08:00 - -

First Contact Program | Ontario

Nov 22, 2018 - 03:20 - -

Archived

Dec 09, 2016 - 08:00 - -

Baskin

May 23, 2023 - 07:00 - -