Eaton Rapids township cost of living score 87.7 Less expensive 12.3% lower than the US average 4.2% lower than the Michigan average Eaton Rapids township, Michigan gets a BestPlaces Cost of Living score of 87.7, which means the total cost of housing, food, childcare, transportation, healthcare, taxes, and other necessities is 12.3% lower than the U.S. average and 4.2% higher than the average for Michigan.