Marathon, NY ZIP code
The ZIP code for Marathon, New York is 13803. It is in Cortland County.
- Population in these ZIPs
- 4,273
- Avg. median income
- $63,700population-weighted
- Typical home value
- $206,800population-weighted
- Metro area
- Cortland, NY
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Marathon, NY ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 13803 | 4,273 | $63,713 | $206,800 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities near Marathon
- Willet 8 mi
- Blodgett Mills 8 mi
- Richford 8 mi
- Harford 8 mi
- Lisle 9 mi
- Cincinnatus 9 mi
- Mc Graw 11 mi
- Whitney Point 11 mi
- Dryden 11 mi
- Cortland 11 mi
- Smithville Flats 11 mi
- Berkshire 12 mi
Frequently asked questions
What is the ZIP code for Marathon, NY?
The ZIP code for Marathon, NY is 13803.
What county is Marathon, New York in?
Marathon ZIP codes are in Cortland County.