Marathon is a CDP located in Brewster County, Texas. Marathon has a 2025 population of 236 . Marathon is currently declining at a rate of -5.22% annually and its population has decreased by -35.34% since the most recent census, which recorded a population of 365 in 2020.
The average household income in Marathon is $46,417 with a poverty rate of 5.54%. The median age in Marathon is 57.7 years: 60.8 years for males, and 51.4 years for females. For every 100 females there are 47.3 males.
Data after 2023 is projected based on recent change
The racial composition of Marathon includes 100% White, and smaller percentages for and multiracial populations.
White (100%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 271 | 100% |
Married
Widowed
Divorced
Separated
Never Married
Marathon's average per capita income is $46,467. Household income levels show a median of $45,100. The poverty rate stands at 5.54%.
Name | Median | Mean |
|---|---|---|
| Families | $46,017 | $54,781 |
| Households | $45,100 | $46,417 |
| Non Families | $23,859 | $24,975 |
| Married Families | - | - |
Average Income
Median Household Income
Poverty Rate