Cost of Living in Marathon, FL

With a cost of living index of 140, Marathon, FL is one of the most expensive cities in the United States. Living here is 40% more expensive than the national average and 30% above the Florida state average of 110. Marathon is a smaller community of 9,831 residents, where everyday costs can differ substantially from nearby larger cities.

Housing costs are the biggest factor in Marathon's cost of living. The median monthly rent is $1,592 (21% above the US median of $1,319), and the median home value sits at $683,700 (124% above the national median of $304,900). At current prices, the median home costs roughly 8.5x the median household income — a challenging ratio that puts homeownership out of reach for many residents.

The median household income in Marathon is $80,556, which is 7% higher than the national median of $75,149. Residents spend roughly 24% of household income on rent. This is a comfortable ratio, well below the 30% threshold that financial experts recommend as a maximum.

Climate is another factor for anyone considering a move to Marathon. The area sees an average annual temperature of 78.8°F, with summers averaging 85°F and winters around 72°F. Annual rainfall totals 39.7 inches spread over roughly 112 days.

Data sources: US Census Bureau (ACS 2023), Zillow Home Values, HUD Fair Market Rents, BEA Regional Price Parities, BLS Average Prices, and NOAA Climate Normals. Updated monthly.