Clockwise from top: Downtown Portland viewed from east bank of the Willamette River; the Wells Fargo Center; Portland Aerial Tram and Mount Hood; Jackson Tower and Fox Tower viewed from Pioneer Courthouse Square; St. Its Combined Statistical Area (CSA) ranks 18th with a population of 3,160,488.
National Bank Building) is the largest city in the U. The city covers 145 square miles (380 square kilometers) and had an estimated population of 639,863 in 2016, Approximately 2,424,955 people live in the Portland metropolitan statistical area (MSA), the 25th most populous MSA in the United States.
Named after Portland, Maine, the Oregon settlement began to be populated in the 1830s near the end of the Oregon Trail.
Its water access provided convenient transportation of goods, and the timber industry was a major force in the city's early economy.
Beginning in the 1960s, Portland is frequently recognized as one of the world's most environmentally conscious cities because of its high walkability, large community of bicyclists, farm-to-table dining, expansive network of public transportation options, and over 10,000 acres (4,000 hectares) of public parks.
During the prehistoric period, the land that would become Portland was flooded after the collapse of glacial dams from Lake Missoula, located in what would later become Montana.
Portland is located 60 miles east of the Pacific Ocean at the northern end of Oregon's most populated region, the Willamette Valley.
To the west of the Tualatin Mountains lies the Oregon Coast Range, and to the east lies the actively volcanic Cascade Range. Other bridges outside the downtown area include the Sellwood Bridge (built 2016) to the south; and the St.By the 1970s, Portland had well established itself as a progressive city, and experienced an economic boom for the majority of the decade; however, the slowing of the housing market in 1979 caused demand for the city and state timber industries to drop significantly.The city's increased presence within the cultural lexicon has established it as a popular city for young people, and it was second only to Louisville, Kentucky as one of the cities to attract and retain the highest number of college-educated people in the United States.Though much of downtown Portland is relatively flat, the foothills of the Tualatin Mountains, more commonly referred to locally as the "West Hills", pierce through the northwest and southwest reaches of the city. Three of downtown's most heavily utilized bridges are more than 100 years old and are designated historic landmarks: Hawthorne Bridge (1910), Steel Bridge (1912), and Broadway Bridge (1913).Council Crest Park, the tallest point within city limits, is located in the West Hills and rises to an elevation of 1,073 feet. Tabor, an extinct volcanic cinder cone, which rises to 636 feet. Portland's newest bridge in the downtown area, Tilikum Crossing, opened in 2015 and is the first new bridge to span the Willamette in Portland since the 1973 opening of the double-decker Fremont Bridge.