Lamotte Township is a civil township of Sanilac County in the U.S. state of Michigan. The population was 764 at the 2020 census. Two hamlets formed in Lamotte Township where railroad stations were located on the Detroit, Caro and Sandusky Railway Company. Before the state highway system lowered trucking costs to nearby competing railroads in the c…Lamotte Township is a civil township of Sanilac County in the U.S. state of Michigan. The population was 764 at the 2020 census. Two hamlets formed in Lamotte Township where railroad stations were located on the Detroit, Caro and Sandusky Railway Company. Before the state highway system lowered trucking costs to nearby competing railroads in the county, the DC&S allowed more efficient transport of agricultural products and other freight to and from Lamotte Township.