Eugene is a major city of the Pacific Northwest located in the state of Oregon. It is the second-largest city in the U.S. state of Oregon and the county seat of Lane County. It is located at the south end of the Willamette Valley, near the confluence of the McKenzie and Willamette rivers, about 50 miles (80 km) east of the Oregon Coast.
As of the 2010 U.S. Census, Eugene has a population of 156,185, and Lane County (co-located with the Eugene-Springfield Metropolitan Statistical Area) (MSA) has a population of 351,715. While Eugene has long been the second-largest city in Oregon, it was briefly surpassed by Salem between 2005 and 2007. The Eugene-Springfield, Oregon MSA is the 144th largest metropolitan statistical area of the U.S., and the third-largest in the state, behind the Portland Metropolitan Area and the Salem Metropolitan Area. The city's population was estimated by the Portland Research Center to be 158,335 in 2012.