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Ontario, OR

View of Ontario, OR
Image credit: Not credited. / Public domain
Population
11,957
U.S. Census Population Estimates Program · 2025
Elevation
2,154 ft
Median Home Value
$236,300
U.S. Census American Community Survey 5-Year · 2024
Median Rent
$804/mo
U.S. Census American Community Survey 5-Year · 2024
Median Income
$46,308
U.S. Census American Community Survey 5-Year · 2024

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Ontario in context.

OverallBest places in OregonPopulation rankingHighest population places in OregonNearest larger communityCaldwell, Idaho31 miles away · 76,629 residents.

About Ontario

Ontario is the largest city in Malheur County, Oregon, situated along the Snake River on the Idaho border. Serving as the principal city of the Western Treasure Valley region, the community of approximately 11,800 was founded in 1883 and named after Ontario, Canada. The local economy is anchored by the major Heinz potato processing facility, and public education is administered by the Ontario School District.

Top Rating Signals

Highest current ratings for this town.

Lower FEMA County Hurricane Risk IndexA+100.0ratingLower Projected Late-Century County-Area Exposure to Sea-Level RiseA+100.0ratingLow Sales TaxA+100.0rating

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