Lansing ) is the capital of the U.S. state of Michigan. It is located mostly in Ingham County, although small portions of the city extend into Eaton County. The 2010 Census places the city's population at 114,297, making it the fifth largest city in Michigan. The population of its Metropolitan Statistical Area (MSA) was 464,036, while the even larger Combined Statistical Area (CSA) population, which includes Shiawassee County, was 534,684.The Lansing Metropolitan Area, colloquially referred to as "Mid-Michigan", is an important center for educational, cultural, governmental, business, and high-tech manufacturing institutions, including three medical schools (two human medicine and one veterinary), two nursing schools, two law schools including the nation's largest law school (Thomas M. Cooley Law School), a Big Ten Conference university (Michigan State), the state capital, the state Supreme Court and Court of Appeals, a federal court, the Library of Michigan and Historical Center, and headquarters of four national insurance companies.Lansing is the only U.S. state capital (among the 44 located in counties) that is not also a county seat. The county seat of Ingham County is Mason, but the county maintains some offices in Lansing.