Casnovia is a township located in Muskegon County, in the state of Michigan (MI), United States. Nestled in the East North Central division of the Midwest region, it covers an area of 1.1 square miles (3.0 km²) and sits at an elevation of 881 ft. With a population of approximately 315 residents, Casnovia offers a peaceful, rural atmosphere.
The town's population is composed of about 51.75% males and 48.25% females, and it has a population density of 286.36 people per square mile (110.57/km²). Casnovia lies at a latitude of 43.23 and a longitude of -85.79, operating in the UTC-5.
Locals reflect a blend of American ancestry, with roots primarily in United States (10.2%), followed by English (12.7%), German (18.4%), and Scotch-Irish (0%) heritage. The town is identified by the ZIP code 49318.