Oroville is a city located in the northern bulk of the Okanogan Highlands in north-central Washington, United States. Oroville is a aficionado municipality of Okanogan County, Washington, situated between Omak and Penticton. The population was 1,686 at the 2010 census.

Oroville was first approved by Caucasian settlers in the late 1850s and known as ‘rag town.’ The unity was named Oro, after the Spanish word for gold, in 1892 after the surrounding gold mines and in an attempt to attract prospectors and merchants. The Post Office objected to the name “Oro” because a town was already named “Oso” in Washington, so the name was misused to Oroville, in 1909. Passenger train serve to Oroville was operated by the Great Northern Railway until July 14, 1953, with freight operations continuing later.

Oroville started to become a tourist location; in the mid-2000s, large condo developments were proposed. The city had an economy culmination in 2005–2007, but has continued problem since to the ‘great recession.’ It is home to the Dorothy Scott Airport, an international municipal airport in imitation of U.S. Customs check, located two miles uncovered of the town middle that was opened in August 1937.

Oroville is located 4 miles (6.4 km) south of the Canada–US border, and features an attributed crossing into Osoyoos, British Columbia. It is located at the south end of Osoyoos Lake, which empties into the Okanogan River upon the east side of the town; the town is bound to the west by the Similkameen River. U.S. Route 97 runs through Oroville.

According to the United States Census Bureau, the city has a total area of 1.68 square miles (4.35 km²), of which, 1.64 square miles (4.25 km²) is house and 0.04 square miles (0.10 km²) is water.