Cass County Missouri is located in the west central part of the U.S. sate of Missouri. The county seat for Cass County is the town of Harrisonville, Mo. Organized in 1835 as Van Buren County, the county was renamed in 1849 after U. S. Senator Lewis Cass of Michigan.
In the 2010 census, the population of Cass County was 99,478.
The following is an excellent historic overview of the many towns and places within Cass County.