Troutdale is a city in Multnomah County, Oregon, United States, immediately north of Gresham and east of Wood Village. As of the 2010 census, the city population was 15,962. The city serves as the western gateway to the Historic Columbia River Highway, the Mount Hood Scenic Byway, and the Columbia River Gorge. It is approximately 12 miles (19 km) east of Portland.

The community was in imitation of known as Sandy, after the easy to attain to Sandy River; the name office in Sandy was conventional in 1854 and closed in 1868. In 1873, the current city of Sandy in Clackamas County, which was formerly named “Revenue”, established a every other Sandy proclaim office that is still in operation. Troutdale was named by fortune-hunter John Harlow for the trout pond in a dale near his house. Troutdale publish office was founded in 1880. In 1925, a company, the Bissinger Wool Pullery, was moved from Sellwood, Oregon, and opened for business on Macadam Road along the west bank of the Sandy River. An iconic water tower stands nearby. The company was featured in a Ripley’s Believe it or Not! column because a cat was reportedly found in a stack of animal hides that the company was going to use for its products. The cat was taken care of and became the company’s mascot, and was said to have lived a long and healthy life. The water tower is now known as the “Old Historic Water Tower”.^{[citation needed]}

Reynolds Aluminum was bearing in mind the area’s biggest employer. The Reynolds forest in Troutdale was normal in 1941 to provide aluminum for the achievement effort. The reforest closed in 2000. The clear city of Wood Village was a company town founded to home workers from the Reynolds plant.

According to the United States Census Bureau, the city has a total Place of 6.02 square miles (15.59 km), of which 5.94 square miles (15.38 km²) is land and 0.08 square miles (0.21 km) is water.