Eugene is a city in and the county seat of Lane County, Oregon, United States. It is located at the southern end of the Willamette Valley, near the confluence of the McKenzie and Willamette rivers, about 50 miles east of the Oregon Coast. The second-most populous city in Oregon, Eugene had a population of 176,654 as of the 2020 United States census and it covers city area of 44.21 sq mi. The Eugene-Springfield metropolitan statistical area is the second largest in Oregon after Portland.