Demographics & People — Marathon, Texas
Population Overview
| Population (Census) | 271 |
| Estimated 2026 | ~300 |
| Median Age | 56.5 |
| Total Households | 196 |
| Family Households | 141 |
| Average Household Size | 1.38 |
| Diversity Index | N/A (N/A) |
Race & Ethnicity
| White | 271 |
| Black or African American | 0 |
| Asian | 0 |
| Hispanic or Latino | 89 |
Heritage & Ancestry
| Group | Count |
| Other groups | 128 |
| Hispanic: Mexican | 121 |
| Hispanic: Hispanic or Latino | 121 |
| Scotch-Irish | 51 |
| German | 37 |
| Unclassified or not reported | 32 |
| European | 27 |
| Swedish | 12 |
| French Canadian | 9 |
Language
| English Only | 182 |
| Spanish | 76 |
| Population 5+ | 258 |
Veterans
| Veterans | 7 |
| Population 18+ | 232 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Marathon, Texas.