The economy of Aetna Township is heavily reliant on agriculture, local services, and commuting. There are limited large-scale commercial or industrial enterprises within the township borders. Many working-age residents commute via the nearby US-131 expressway to employers in Big Rapids, Reed City, or the Grand Rapids metropolitan area.
The cost of living in Aetna Township is significantly lower than national and state averages, making it an attractive location for those seeking affordable rural living. Median household incomes are generally aligned with rural Michigan averages, supported by steady employment in manufacturing, healthcare, and education in neighboring municipalities.