Ontario Oregon Profile and Resource Guide, City or community of Ontario, Oregon Facts, Information, Relocation, Real Estate, Advertising
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Malheur County,


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The Oregon state capital is Salem.

What would you like to know about Ontario

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History & History-related items

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Ontario Business Directory.

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Statistics & Facts

The population of Ontario is approximately 15,300 (2000), 11366 (2010).
The approximate number of families is 6,200 (2000), 4275 (2010).

The amount of land area in Ontario is 10.647 sq. kilometers.
The amount of surface water is 0 sq kilometers.
The distance from Ontario to Washington DC is 2221 miles. The distance to the Oregon state capital is 326 miles. (as the crow flies)
Ontario is positioned 44.02 degrees north of the equator and 116.97 degrees west of the prime meridian.

Ontario elevation is 2,150 feet above sea level.
The Ontario median home price is $51,200.

Ontario miscellany.

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Ontario location: on the eastern edge of Oregon, midway between Salt Lake City and Portland, it is the largest city in Malheur County. It is just 66 miles to Boise, Idaho.

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Climate & Weather

The weather in Ontario is moderate. The hottest and driest month is usually July with the coldest being January. The wettest month is usually December. During the winter, the averge afternoon humidity is about 77%, with the summer average afternoon humidity being about 34%.
Ontario average annual precipitation is 9.680 inches per year.
The average low temperature is 19 degrees F.
The average high temperature is 96 degrees F.
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History & History Related Items

Ontario history:

Ontario was founded June 11, 1883 by William Morfitt, James W. Virtue, Daniel Smith and Mary Richardson. They chose the site because they knew the railroad was coming through the area and felt it would be a great investment. Naming the town proved to be difficult. Mr. Morfitt wanted to name it for his daughter, Ione. Mr. Virtue wanted to name it after his home in Canada. Some say a coin was flipped and others say it was drawn out of a hat, But, in the end, Ontario won out. It was incorporated in 1896.
The founding of Ontario: 11 June 1883
The incorporation date of Ontario: 1896

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Ontario attractions:

Japanese Obon Festival
More information about Ontario, Oregon
A website about Ontario, Oregon

Four Rivers Cultural Center
676 SW 5th Ave.
Ontario, Oregon 97914
Tel: (541) 889-8191
Fax: (541) 889-7628
Toll-free: 1-888-211-1222
This museum celebrates the mixing of cultures with fascinating interactive exhibits.

Learn more about Ontario

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