Cost of living in Marathon, FL

Marathon is a Census city in Monroe County, FL. ACS 2024 5-year population is 9,914. Median gross rent is $1,633 (ACS 2024 5-year, this place). Median home value is $725,800. Median household income is $89,355. Insurance is the NAIC state average; food is a USDA plan — no town indexes.