Marianna cost of living score 77.1 Less expensive 22.9% lower than the US average 25.2% lower than the Florida average Marianna (zip 32448), Florida gets a BestPlaces Cost of Living score of 77.1, which means the total cost of housing, food, childcare, transportation, healthcare, taxes, and other necessities is 22.9% lower than the U.S. average and 25.2% lower than the average for Florida.