Springfield is the 3rd most populous city in the U.S. state of Missouri, after Kansas City and St. Louis, and the county seat of Greene County. The city's population was 169,176 at the 2020 census. It is the principal city of the Springfield metropolitan area, which had an estimated population of 487,061 in 2022 and includes the counties of Christian, Dallas, Greene, Polk, and Webster, The city sits on the Springfield Plateau of the Ozarks, which ranges from nearly-level to rolling hills.