| Index | Marathon | Iowa | National |
| Median home price | $23,100 | $132,800 | $184,700 |
| Median rent asked | $575 | $715 | $949 |
| Avg. people per household | 2.1 | 2.4 | 2.6 |
| Owner occupied households | 71.4% | 71.1% | 63.6% |
| Renter occupied households | 28.6% | 28.9% | 36.4% |
| City, State | Population | Home Price | National Avg. |
| Greenville, IA | 93 | $0 | 100% |
| Ayrshire, IA | 136 | $0 | 100% |
| Curlew, IA | 73 | $0 | 100% |
| Havelock, IA | 137 | $29,200 | 84% |
| Truesdale, IA | 125 | $34,400 | 81% |
| Marathon, IA | 270 | $23,100 | 87% |
| City, State | Population | Home Price | National Avg. |
| Keo, AR | 270 | $81,900 | 56% |
| Barnard, MO | 270 | $52,900 | 71% |
| New Richmond, WV | 270 | $43,600 | 76% |
| Pillow, PA | 270 | $109,700 | 41% |
| Leach, OK | 270 | $117,500 | 36% |
| Marathon, IA | 270 | $23,100 | 87% |