The city of Ontario is located in the county of Malheur. It covers a total area of 13.39 sq. km. Industries related to advertising, aviation, arts and crafts, alternative medicine, automotive, finance, construction, apparel, manufacturing of computer peripherals, cosmetics, courier, pharmaceuticals, farm equipment, food delivery services, insurance, oil and lubrication, manufacturing of plastic, real estate and sheet metal, enhance the local economy in a positive way. Commercial spaces are utilized by riding academics, restaurants, resale shops and campgrounds.