Springfield is a city in Lane County, Oregon, United States. Located in the Southern Willamette Valley, it is within the Eugene-Springfield Metropolitan Statistical Area. Separated from Eugene to the west, mainly by Interstate 5, Springfield is the second-most populous city in the metropolitan area after Eugene. As of the 2020 census, the city has a total population of 61,851, making it the 9th most populous city in Oregon. The Briggs family first settled the Springfield area, arriving in 1848. The community was incorporated as a city in 1885. The city was named after a natural spring located in a field or prairie within the current city boundaries. For the majority of the 20th century, the economy of Springfield was largely dependent on the Oregon timber industry; since the 1990s, however, the economy has diversified, with PeaceHealth now the largest employer in the city. Public education in the city is provided by the Springfield School District.