Cass County, Michigan

county in Michigan, United States

Cass County is a county in the U.S. state of Michigan. As of the 2020 census, the population was 51,589.[2] Its county seat is Cassopolis.[3]

Cass County
Cass County Courthouse in Cassopolis
Cass County Courthouse in Cassopolis
Map of Michigan highlighting Cass County
Location within the U.S. state of Michigan
Map of the United States highlighting Michigan
Michigan's location within the U.S.
Coordinates: 41°55′N 85°59′W / 41.91°N 85.99°W / 41.91; -85.99
Country United States
State Michigan
Named forLewis Cass
Largest cityDowagiac
 • Total508 sq mi (1,320 km2)
 • Land490 sq mi (1,300 km2)
 • Water18 sq mi (50 km2)  3.6%
 • Total51,589
 • Density105/sq mi (41/km2)


  1. "Bibliography on Allegan County". Clarke Historical Library, Central Michigan University. Retrieved January 18, 2013.
  2. 2.0 2.1 "Cass County, Michigan". United States Census Bureau. Retrieved August 7, 2023.
  3. "Find a County". National Association of Counties. Archived from the original on May 31, 2011. Retrieved June 7, 2011.