| Index | Marathon | Texas | National |
| Income per capita | $43,089 | $41,777 | $44,883 |
| Median household income | $58,481 | $80,880 | $81,333 |
| Median income owner occupied | $74,073 | $107,635 | $106,172 |
| Median income renter occupied | $56,994 | $54,463 | $52,080 |
| Median earnings male | $80,271 | $53,620 | $54,343 |
| Median earnings female | $57,000 | $36,296 | $38,439 |
| Unemployment rate | 0.0% | 4.3% | 4.9% |
| Poverty level | 7.1% | 16.7% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 8.9% | 8.9% |
| Manufacturing sector | 11.4% | 11.4% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 21.5% | 21.5% |
| Public administration | 5.1% | 5.1% |
| Transportation, warehousing & utilities | 0.0% | 0.0% |
| Education, health & social services | 8.9% | 8.9% |
| Other | 44.3% | 44.3% |
| City | Population | Household Income | National Avg. |
| Marathon, TX | 372 | $58,481 | 28.1% |
| City | Population | Household Income | National Avg. |
| Glen Allen, AL | 372 | $56,685 | 30.3% |
| Red Level, AL | 372 | $63,418 | 22.0% |
| Plumas Eureka, CA | 372 | $119,300 | 46.7% |
| Stockport, IA | 372 | $60,434 | 25.7% |
| Haring, MI | 372 | $55,518 | 31.7% |
| Marathon, TX | 372 | $58,481 | 28.1% |