Lansing, Iowa Lansing, Iowa Lansing is a city in Lansing Township, Allamakee County, Iowa, United States. The population was 999 at the 2010 census. Lansing was platted about 1851. The city was so named because the first settler was a native of Lansing, Michigan. Joseph "Diamond Jo" Reynolds, namesake of the famous Diamond Jo steamship line, built his first boat in Lansing and named it for the town. According to the United States Census Bureau, the city has a total area of , of which, is land and is water. Mount Hosmer is located on the north end of Lansing. As of
Robert Lansing (state senator) John Lansing (1832–1907), the father of U.S. Secretary of State Robert Lansing (1864–1928). He was a member of the New York State Senate (4th D.) from 1832 to 1835, sitting in the 55th, 56th, 57th and 58th New York State Legislatures. Afterwards he practiced law in partnership with brother-in-law George C. Sherman (1799–1863). On February 2, 1841, Lansing married Cornelia Hubbard, a sister of his first wife. He was again District Attorney of Jefferson County from 1845 to 1846; First Judge of the Jefferson County Court from 1847 to 1851; Supervisor of the Town of Watertown in 1852; and again