Ontario is located in Oregon. Ontario, Oregon has a population of 11,465. Ontario is less family-centric than the surrounding county with 28.05% of the households containing married families with children. The county average for households married with children is 29.5%.
The median household income in Ontario, Oregon is $42,568. The median household income for the surrounding county is $47,906 compared to the national median of $69,021. The median age of people living in Ontario is 34.4 years.
The average high temperature in July is 91.9 degrees, with an average low temperature in January of 20.3 degrees. The average rainfall is approximately 10.6 inches per year, with 13.2 inches of snow per year.