
The Treaty of 1818 established joint U.S. – British occupancy of the Oregon Country. pioneers following the Oregon Trail began filtering into the town in the mid-1840s. The fur trade would remain under British control until U.S.

During the War of 1812, in 1813, the company's officers sold its assets to their Canadian rivals, the North West Company. The Pacific Fur Company, a subsidiary of John Jacob Astor's American Fur Company, was created to begin fur trading in the Oregon Country. It was later used as an American claim in the Oregon boundary dispute with European nations. The fort constructed by the Tonquin party established Astoria as a U.S., rather than a British, settlement and became a vital post for American exploration of the continent. He arrived two months after the Pacific Fur Company's ship, the Tonquin. In 1811, British explorer David Thompson, the first person known to have navigated the entire length of the Columbia River, reached the partially constructed Fort Astoria near the mouth of the river. Gabriel Franchère's 1813 sketch of Fort Astoria Today the fort has been recreated and is part of Lewis and Clark National Historical Park. They later returned overland and by internal rivers, the way they had traveled west. The expedition had hoped a ship would come by that could take them back east, but instead they endured a torturous winter of rain and cold. The Lewis and Clark Expedition spent the winter of 1805–1806 at Fort Clatsop, a small log structure southwest of modern-day Astoria. The present area of Astoria belonged to a large, prehistoric Native American trade system of the Columbia Plateau. History Prehistoric settlements ĭuring archeological excavations in Astoria and Fort Clatsop in 2012, trading items from American settlers with Native Americans were found, including Austrian glass beads and falconry bells. The population was 10,181 at the 2020 census. Route 101 are the main highways, and the 4.1-mile (6.6 km) Astoria–Megler Bridge connects to neighboring Washington across the river. Transportation includes the Astoria Regional Airport.

The city is served by the deepwater Port of Astoria. Astoria was incorporated by the Oregon Legislative Assembly on October 20, 1876. The city is named for John Jacob Astor, an investor and entrepreneur from New York City, whose American Fur Company founded Fort Astoria at the site and established a monopoly in the fur trade in the early nineteenth century. The county is the northwest corner of Oregon, and Astoria is located on the south shore of the Columbia River, where the river flows into the Pacific Ocean. Founded in 1811, Astoria is the oldest city in the state of Oregon and was the first permanent American settlement west of the Rocky Mountains. Astoria is a port city and the seat of Clatsop County, Oregon, United States.
