US ZIP Code
13803

Marathon, NY

Cortland County  ·  New York

● Active
👥 3,936 Population ↓ 7% since 2019
💰 $62,537 Median HH Income
▼ 18% below avg
🎂 37.4 Median Age ↑ 2% since 2019
🏠 $134,300 Median Home Value
▼ 52% below avg ↑ 24% since 2019
🎓 33.3% College Grads
▼ 14% below avg
📊 8.0% Unemployment
▲ 64% above avg ↑ 49% since 2019
ZIP Code Details
ZIP Code13803
CityMarathon
StateNew York (NY)
CountyCortland County
Area Code607
Elevation1,221 ft
Latitude42.457979
Longitude-76.053971
TimezoneNew York (DST)
FIPS36023
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 47.6% (1,875) Female 52.4% (2,061) ♀

Race & Ethnicity

White: 95.8%Hispanic: 1.1%Asian: 0.3%Other: 2.5%Race
White95.8%
Hispanic1.1%
Asian0.3%
Other2.5%

Age Breakdown

Under 5
7%
5–17
18%
18–24
8%
25–44
24%
45–64
25%
65+
8%

Key Indicators

Median Age37.4 yrs ↑ 2% since 2019
Avg Household Size2.61
Below Poverty13.9% ▲ 39% above avg
College Grads33.3% ▼ 14% below avg
Unemployment8.0% ▲ 64% above avg
No HS Diploma21 (0.9%)
HS Graduate873 (36.9%)
Some College389 (16.4%)
Associates296 (12.5%)
Bachelors421 (17.8%)
Graduate Degree368 (15.5%)

Education

No HS: 0.9%HS Grad: 36.9%Some College: 16.4%Associates: 12.5%Bachelors: 17.8%Graduate: 15.5%Edu
No HS0.9%
HS Grad36.9%
Some College16.4%
Associates12.5%
Bachelors17.8%
Graduate15.5%
Housing & Income

Housing Tenure

Owner: 84.2%Renter: 15.8%Tenure
Owner84.2%
Renter15.8%

Home Value Distribution

Under $50k
8%
$50k–100k
19%
$100k–150k
31%
$150k–200k
24%
$200k–300k
14%
$300k–500k
4%
Over $500k
1%

Financials

Median HH Income$62,537 ▼ 18% below avg
Median Home Value$134,300 ▼ 52% below avg ↑ 24% since 2019
Home/Income Ratio2.1x (nat avg ~3.5x)
Median Rent$798/mo ↑ 4% since 2019
Total Units1,715
Vacant Units210
Avg HH Size2.61

Income Distribution

Under $25k
11%
$25k–50k
25%
$50k–75k
22%
$75k–100k
11%
$100k–150k
20%
$150k–200k
8%
Over $200k
4%
Employment & Commute

How People Get to Work

Drove Alone
87%
Walked
5%
Work From Home
7%

Commute Time

Under 15 min
19%
15–30 min
29%
30–45 min
33%
Over 45 min
20%
Housing Stock

Year Built

Before 1940
2%
1940s–1950s
6%
1960s–1970s
14%
1980s–1990s
11%
2000+
67%

Summary

Total Units1,715
Vacant210
Owner Occupied84.2%
Renter Occupied15.8%
Avg HH Size2.61
Frequently Asked Questions
ZIP code 13803 is in Marathon, NY, in Cortland County.
ZIP code 13803 is located in New York (NY).
ZIP code 13803 is in Cortland County, NY.
ZIP 13803 observes the New York timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 13803 is 3,936 people (ACS 2023).
The median household income in ZIP code 13803 is $62,537 (ACS 2023).
The median home value in ZIP 13803 is $134,300 (ACS 2023).
About ZIP Code 13803

ZIP code 13803 is located in Marathon, New York, within Cortland County. With a population of 3,936, this is a sparsely populated ZIP code with a relatively young community — the median age is 37.4 years. Economically, 13803 is a solidly middle-class ZIP code: the median household income of $62,537 is below the national average.

Real estate in ZIP code 13803 represents one of the more affordable housing markets in the country. The median home value of $134,300 is well below the national average. Renters can expect to pay around $798 per month in median rent. Homeownership is strong here — 84.2% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 24% since 2019.

The population of 13803 is primarily White (95.83%). Residents are moderately educated — 33.3% hold a bachelor's degree or higher, which is near the national average. Poverty affects some residents at 13.9%.

The unemployment rate in 13803 stands at 8.0%, which is significantly above the national average. As in most parts of the country, driving alone is the dominant commute mode at 81%.

Overall, ZIP code 13803 in Marathon, NY is characterized as solidly middle-class, moderately educated, a relatively young community, and predominantly owner-occupied. With 3,936 residents, a median household income of $62,537, and a median home value of $134,300, it offers a clear picture of life in this part of New York.