Springfield, Oregon of Springfield that stated, in part "Yo to Springfield, Oregon – the real Springfield." In April 2012, Groening confirmed to "Smithsonian" magazine that he named the fictional Springfield after Springfield, Oregon. He also confirmed that he intentionally left it a secret to allow people the enjoyment of assuming it was based on their own Springfield. This region experiences warm (but not hot) and dry summers, with no average monthly temperatures above . According to the Köppen Climate Classification system, Springfield has a warm-summer Mediterranean climate, abbreviated "Csb" on climate maps. Springfield, Oregon Springfield is a city in Lane County, Oregon,
Springfield (toponym) Springfield, Illinois, the one-time home of Abraham Lincoln, is the only U.S. state capital with the name. As of 2006, it had an estimated population of 116,482. In the United States, there are four Springfield Metropolitan Statistical Areas - in Illinois, Massachusetts, Missouri and Ohio; as of the 2016 census, the most populous was the one in Missouri, which had 541,991 residents. The television show "The Simpsons" is set in a town generically named "Springfield", without indicating a state. Creator Matt Groening has suggested in interviews that he chose the name because of its ubiquity; the show's intentionally contradictory information