Marathon
- County:
- Clermont County
- County Seat:
- No
- Area (mi²):
- 0.17
- State:
- Ohio
Marathon is a CDP located in Clermont County, Ohio Ohio. Unfortunately, the data for this location is currently limited or unavailable.
The median age in Marathon is 44.9 years: 0 years for males, and 71.2 years for females. For every 100 females there are 123.9 males.