| Place Name | Marathon |
| Place Type | Village |
| ZIP Code(s) | 13803 |
| County | Cortland County |
| Area Code(s) | 607 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 978 |
| Population Growth Rate (2010-19) | -2.94% |
| Majority Ethnicity | White 98.79% |
| Metro/Micro Stats Area | Cortland, NY |
| US Congressional District(s) | New York 22nd |
| State Assembly Districts | 126 |
| State Senate Districts | 51 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 98.79% |
| African American | 0.65% |
| Hispanic | 0.09% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0.47% |