Ontario

City in Malheur County, Oregon

View of Ontario, Oregon
Photo: Wikimedia Commons · CC BY-SA 3.0

Ontario is a city in Malheur County, Oregon, with 11,645 residents (2020 Census). It sits at 2,149 ft (655 m) above sea level. The nearest town is Fruitland, 2.9 miles E.

About Ontario

Ontario is the largest city in Malheur County, Oregon, United States. It lies along the Snake River at the Idaho border. The population was 11,645 at the 2020 census. The city is the largest community in the region of far eastern Oregon, also known as the Western Treasure Valley.

Ontario is the principal city of the Ontario, OR-ID Micropolitan Statistical Area, which includes Malheur County in Oregon and Payette County in Idaho.

Ontario is approximately halfway between Portland and Salt Lake City. It is the closest city to the Idaho border along Interstate 84. The city's slogan is "Where Oregon Begins".

Text: Wikipedia · CC BY-SA 4.0

Ontario weather: 7-day forecast

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Source: National Weather Service (NOAA).

Live webcams in Ontario

All 18 webcams near Ontario ›

Webcams: Windy.com

Living in Ontario

Median household income
$46,308
Median home value
$236,300
Median rent
$804/mo
Median age
35.2
Cost of living and demographics of Ontario ›

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Map of Ontario

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Ontario Street View

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Ontario, OR population

Ontario had 11,645 residents in the 2020 Census.

2020 Census11,645
Density1,946 per sq mi (751 per km²)

Source: U.S. Census Bureau, Decennial Census.

Ontario at a glance

StateOregon (OR)
CountyMalheur County
TypeCity
Population11,645 (2020)
Land area5.98 sq mi (15.5 km²)
Water area0.00 sq mi (0.00 km²)
Elevation2,149 ft (655 m)
Coordinates44.0253° N, 116.9774° W
ZIP code83619
Official websiteontariooregon.org
Census code (GEOID)4154900

Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.

Towns near Ontario

Straight-line distance between town centers.

Frequently asked questions about Ontario

What county is Ontario in?

Ontario is in Malheur County, Oregon.

What is the population of Ontario, OR?

11,645 people lived in Ontario at the 2020 Census.

What is the ZIP code of Ontario, OR?

The ZIP code of Ontario is 83619.

What is the elevation of Ontario?

2,149 feet (655 m) above sea level.

What towns are near Ontario?

Fruitland (2.9 mi), Payette (4.5 mi), New Plymouth (8.7 mi), Nyssa (10.2 mi), Vale (13.5 mi).

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