| Index | Marathon | Florida | National |
| Median home price | $340,800 | $166,800 | $184,700 |
| Median rent asked | $1,208 | $1,032 | $949 |
| Avg. people per household | 2.7 | 2.6 | 2.6 |
| Owner occupied households | 56.9% | 64.8% | 63.6% |
| Renter occupied households | 43.1% | 35.2% | 36.4% |
| Index | Marathon | Florida | National |
| Zillow home value index | $504,200 | $205,100 | $196,500 |
| Year over year appreciation rate | 14.28% | 10.09% | 6.79% |
| 5 year average appreciation rate | 10.48% | 10.06% | 5.28% |
| 10 year average appreciation rate | -0.89% | -1.68% | 0.01% |
| City, State | Population | Home Price | National Avg. |
| Layton, FL | 111 | $392,000 | 112% |
| Key Colony Beach, FL | 696 | $510,400 | 176% |
| Duck Key, FL | 716 | $586,300 | 217% |
| Marathon, FL | 8,701 | $340,800 | 85% |
| City, State | Population | Home Price | National Avg. |
| Edgewood, KY | 8,703 | $204,300 | 11% |
| Temperance, MI | 8,705 | $154,400 | 16% |
| Franklin, KY | 8,706 | $96,700 | 48% |
| Murphy, MO | 8,706 | $126,100 | 32% |
| Carbondale, PA | 8,707 | $87,000 | 53% |
| Marathon, FL | 8,701 | $340,800 | 85% |