A Gazetteer for the United States and Canada
Welcome to Ontario ...
When the people of Ontario refer to themselves (known as a demonym), they frequently use Ontarian<2>
From the Census Estimates for 2019, Ontario has a population of 185,010 people<3> (see below for details).
Ontario was incorporated December 10, 1891.
The community of Ontario is 850 feet [259 m] above sea level.<4>.
Time Zone: Ontario lies in the Pacific Time Zone (PST/PDT) and observes daylight saving time
Ontario is located in the (909) area code.
The ZIP codes for Ontario: 91758, 91761-91762, 91764, 91798<5>
Websites for Ontario ...
Official Website: www.ci.ontario.ca.us/
Chamber of Commerce: www.ontario.org/
Population Details ...
Taken from the 2019 Census Estimates, Ontario had an population of 185,010 people. This is an increase of 12.86% since the 2010 Census (or an increase of 17.09% since the 2000 Census).
At the time of the 2010 Census, Ontario had a population of 163,924 people (which is 8.05% of the total population of San Bernardino County). This makes Ontario the county's 4th most populous community.
The population of Ontario represents 0.44% of the population of California (which has 37,253,956 people), making it the state's 29th most populous community.
With a 2010 count of 163,924 people, the population of Ontario increased 3.74% from the 2000 Census (which had a count of 158,007 people).
More information can be found on the Census Page for Ontario.
Communities Also Named Ontario ...
Using our Gazetteer, we have found that there are 13 communities that are also named Ontario - they are located in Illinois, Indiana, Iowa, Kansas, Michigan, New York, Ohio, Oklahoma, Oregon, Pennsylvania, Utah, Virginia and Wisconsin.
For more information, see our Tidbits & Trivia Page for Ontario.
Communities near Ontario ...
We have created a list of 10 communities that are near Ontario.
To Help With Your Genealogy Research ...
We have a couple of sections for those tracing their genealogy.
We created a list of cemeteries that are in the area around Ontario. Our list includes the location of those cemeteries and we provide an overhead view. See our Cemetery List for Ontario.
Using the information from an 1895 Atlas, we've created a list of communities that were in the area of Ontario. Our list includes information such as whether the 1895 community had a post office or railroad service. See our List of 1890's Communities around Ontario.
We also have a detailed list of newspapers that have been published in the area around Ontario. Our list includes 21 papers. See our Newspapers Page for Ontario.
TripAdvisor Tourism Pages for Ontario ...
Looking for more information about Ontario? A wonderful source is the TripAdvisor website. We always start with the TripAdvisor Tourism page, where you can read an overview with links that will help you find lodging, restaurants and attractions.
In addition to the Tourism page for Ontario, there are neighboring communities that also have Tourism pages. More information about those communities can be found on our TripAdvisor Page for Ontario.
Other Roadside Stops ...
Off-the-Road Links ...
The official website for Ontario: www.ci.ontario.ca.us/
The official website for San Bernardino County: www.sbcounty.gov/
The official website for State of California: https://www.ca.gov/
Please keep in mind that we can not guarantee the accuracy or timeliness of the information on this website, so use with care. We encourage you to double-check the information that is critical to you.
If you've found an error or have additional information that you would like to share, please don't hesitate to write. Click here to contact us.
This page was last modified: 22 Jul 2020