Lansing is a city situated along the Missouri River in the eastern part of Leavenworth County, located in northeast Kansas, in the Central United States. As of the 2010 census, the city population was 11,265. It is the second most populous city of Leavenworth County and is a part of the Kansas City metropolitan area.
The Lansing Correctional Facility (formerly the Kansas State Penitentiary), which includes the state's main maximum-security prison, is located in Lansing. Perry Edward Smith and Richard Eugene Hickock, the subjects of In Cold Blood, were hanged at the prison on April 14, 1965.
Most recently, Lansing was ranked 88 in the top 100 of Money Magazine's 2007 list of best places to live.