Troutdale is a city in Multnomah County, Oregon, north of Gresham and east of Wood Village. As of the 2000 census, the city population was 13,777.Troutdale was incorporated on October 2, 1907. It was named after the country home of Captain John Harlow, a former sea captain from Maine, and a successful Portland businessman. According to an article in the Oregonian in 1959, he named his home Troutdale because it had a "small dale near his house where it had a fish pond which he stocked with trout."The city serves as the western gateway to the Historic Columbia River Highway, the Mount Hood Scenic Byway, and the Columbia River Gorge.