ZIP code 13803: Marathon, NY
13803 is a ZIP code in Marathon, New York, mainly in Cortland County, part of the Cortland, NY micro area. About 4,273 people live here.
- Population
- 4,273
- Median household income
- $63,713
- Typical home value
- $206,800+8.9% in 12 months
- Median rent
- $800gross, per month
- Median age
- 35.2
- Homeowners
- 79.5%of occupied homes
Shaded: ZIP code 13803's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 13803 details
| City | Marathon |
|---|---|
| State | New York |
| County | Cortland County (also partly Broome County) |
| Metro area | Cortland, NY |
| Time zone | Eastern Time (UTC−5), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 93.5 sq mi, plus 0.3 sq mi of water |
| Population density | 46 people per sq mi |
| Bachelor's degree or higher | 14.6% of adults 25+ |
| Average commute | 28.8 minutes |
| Center coordinates | 42.45798, -76.05397 |
Median rent in 13803 by bedrooms
| Size | Median gross rent |
|---|---|
| 1 bedroom | $598/mo |
| 2 bedrooms | $913/mo |
| 3 bedrooms | $1,254/mo |
Gross rent includes utilities paid by the tenant. ACS 2020–2024; sizes with too few rentals to estimate are left out.
ZIP codes near 13803
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 13794 | Killawog, NY | 4.3 mi | — |
| 13863 | Willet, NY | 7.7 mi | 382 |
| 13738 | Blodgett Mills, NY | 7.9 mi | 20 |
| 13835 | Richford, NY | 8.2 mi | 1,184 |
| 13784 | Harford, NY | 8.5 mi | 382 |
| 13797 | Lisle, NY | 8.6 mi | 2,119 |
| 13040 | Cincinnatus, NY | 9.4 mi | 2,595 |
| 13101 | Mc Graw, NY | 10.8 mi | 2,358 |
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
Buying a home in 13803?
A typical home in ZIP code 13803 is worth about $206,800 (Zillow Home Value Index). The median household here earns $63,713 a year. See what buying here would cost per month, with New York average taxes and insurance filled in.
Monthly payment for a $206,800 homeWhat can a $63,713 income afford?Rental property numbers
About ZIP code 13803
What city is ZIP code 13803?
ZIP code 13803 is in Marathon, NY, in Cortland County.
What county is ZIP code 13803 in?
13803 is mainly in Cortland County, New York, and partly in Broome County.
What is the population of ZIP code 13803?
About 4,273 people live in ZIP code 13803, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 13803 in?
13803 is in Eastern Time (UTC−5). It observes daylight saving time.