ZIP Code 13803 in Marathon, NY

Data Last Updated: October 1, 2025
City:Marathon, New York
Names to Avoid:
Freetown, Freetown Corners, Galatia, Hunts Corners, Lapeer, Messengerville, Texas Valley
Counties:Cortland County [Primary]
Broome County
Timezone:Eastern (GMT -05:00)
Local Time:10:42:08 PM
Population:4,208 [See All]
Area Code:607
Classification:Standard [Normal Street Delivery]
Coordinates:42.4818, -76.0736
Land Area:93.49 sq mi
Quick Link:
https://www.zip-codes.com/zip-code/13803/zip-code-13803.asp

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Population & Demographics


ZIP Code 13803 has 4,208 residents and 1,617 households (average 2.59 persons per household). The median age is 39.5 years, about the same as the state (39.0) and about the same as the nation (38.8). The gender split is 50.8% male and 49.2% female, which is slightly higher than the state male share (48.4%), making this a male-majority area. Largest groups are White (90.5%, much higher than the state average of 55.2% and well above the national average of 61.6%) and Hispanic or Latino (2.3%); Hispanic or Latino residents make up 2.3%, which is much lower than the state average (19.5%).

Explore More: Population Over Time By Age & Gender By Race By Gender Nativity & Citizenship

Source: U.S. Census 2020 Demographics & Housing Characteristics (DHC) and U.S. Census 2011-2023 American Community Survey (ACS) 5-Year Estimates.
2020 Population:4,208Source: Census DHC
2023 ACS Population Estimate:3,936Source: Census ACS
2025 ZC Population Estimate:3,636Source: ZIP-Codes.com
Population Density:45.0 people per sq mile
Average Income:$62,537Source: Census ACS
Households:1,617Source: Census DHC
Average House Value:$134,300Source: Census ACS
Persons Per Household:2.59Source: Census DHC
Average Family Size:3.03Source: Census ACS

Population Over Time (with 2010 & 2020 Census Benchmarks)


Group20102011210220132014201520162017201820192020202120222023
Census ACS Population Estimate--3,9174,1314,1284,1534,2764,3024,0964,2404,2434,1314,3794,2783,936
Decennial Census3,975------------------4,208------
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP05. DEMOGRAPHIC AND HOUSING ESTIMATES

Population by Age & Gender (Total, Male, Female)


Median Age: 39.5

Male Median Age: 38.7

Female Median Age: 40

Group< 55-910-1415-1920-2425-2930-3435-3940-4445-4950-5455-5960-6465-6970-7475-7980-8485+
Male1611381561499812014012911712612516916711590624034
Female12912914813410113012414110211612217515511086834938
Total2902673042831992502642702192422473443222251761458972
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Population by Race


White:3,81095.18%
Black:270.67%
Hispanic:*982.45%
Asian:160.40%
American Indian:80.20%
Hawaiian:20.05%
Other:421.05%
Total:4,003100%
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)
* NOTE: Hispanic or Latino is an ethnicity, not a race. This means individuals who identify as Hispanic will also be included in one of the race categories (such as White or Black). As a result, the totals shown here may exceed 100% when Hispanic is displayed alongside racial groups.

Gender Breakdown


GenderCount%Median Age
Males:2,13650.76%38.7 years
Females:2,07249.24%40.0 years
Total:4,208100%39.5 years
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Nativity & Citizenship


Native, born in the United States:3,82197.08%
Native, born in PR, Island Areas, or abroad:230.58%
Foreign born, naturalized U.S. citizen:651.65%
Foreign born, not a U.S. citizen:272.34%
Total Population:3,936100%
Total Native Population:3,84497.66%
Total Foreign-born Population:922.34%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS
Note: Nativity and Citizenship derived from American Community Survey (ACS) 5-year estimates. Total Population listed here will not match official ZIP Code population totals, which are based on the Decennial Census.

Income & Employment


In 2023, the Median household income is $62,537, which is considerably lower than the state median ($84,578), is up $14,898 (31.3%) since 2011 and above its 2019 pre-pandemic level by $405. Family households earn a median of $72,317 versus $42,344 for nonfamily households (a difference of $29,973). By gender, male median income is $49,046 and female is $46,679, which is well under the state female median ($63,701), with a current gap of $2,367 that has narrowed from 2011 to 2023. The labor-force participation rate is 63.7%, which is about the same as the state rate (63.0%). The unemployment rate is 8.0%, which is much higher than the national rate (5.2%). The largest occupation group is Management (28.5%).

Explore More: Income Over Time Household Income Employment Status By Occupation

Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. Using data from Tables DP02, DP03, DP04 and DP05.

Median Income Over Time (Household, Family, Nonfamily, Male, Female)


Income Type2011201220132014201520162017201820192020202120222023
Median Household Income$47,639$51,961$51,593$51,857$55,195$56,458$58,493$61,111$62,132$61,639$63,500$59,154$62,537
Median Family Income$54,132$60,208$60,449$62,576$61,625$64,063$63,160$64,167$67,308$66,198$67,143$68,900$72,317
Median NonFamily Income$35,272$30,000$30,221$27,500$32,344$31,346$34,688$35,000$34,833$37,500$40,714$42,039$42,344
Median Male Income$38,836$41,788$42,554$43,142$44,492$44,792$47,000$48,173$48,102$43,526$44,826$48,325$49,046
Median Female Income$35,560$35,050$36,477$40,383$36,019$35,250$33,611$33,047$34,559$33,427$37,083$43,472$46,679
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Average Household Income


Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Employment Status


Employed:1,76858.58%
Unemployed:1545.10%
Not In Labor Force:1,09636.32%
Total:3,018100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Employment by Occupation (Civilian Employed Population, 16 and Over)


Management, business, science, and arts:50328.45%
Service:33619.00%
Sales and Office:32018.10%
Natural resources, construction, and maintenance:29816.86%
Production, transportation, and material moving:31117.59%
Total Civilian Employed Population:1,768100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS.

Housing & Affordability


In 2023, the median home value is $134,300, which is well under the state median ($403,000), is up $29,000 (27.54%) since 2011 and above its 2019 pre-pandemic level by $26,200. The median gross rent is $798, which is well under the state median ($1,576), is up $244 (44.04%) since 2011 and above its 2019 pre-pandemic level by $30. Of occupied housing, owners make up 84.19% (56.04% with a mortgage, 43.96% free-and-clear) and renters 15.81% - making this ZIP Code more home ownership than the state and under national rental averages. The vacancy rate is 12.24%, which is considerably higher than the state rate (10.19%).

Explore More: Compare Home Value Home Value Over Time Rent & Over Time Housing Occupancy

Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. Using data from Table DP03, SELECTED ECONOMIC CHARACTERISTICS.

Median Home Value (Comparison)


Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Home Value Over Time


Group2011210220132014201520162017201820192020202120222023
Median Home Value$105,300$98,600$104,500$101,500$100,100$98,900$103,700$107,200$108,100$112,100$111,200$129,200$134,300
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Gross Rent Paid


Less than $500:83.36%
$500 to $999:12050.42%
$1,000 to $1,499:6226.05%
$1,500 to $1,999:104.20%
$2,000 to $2,499:00.00%
$2,500 to $2,999:00.00%
$3,000 or more:00.00%
No Rent:3815.97%
Total:238100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Gross Rent Over Time


Group2011210220132014201520162017201820192020202120222023
Median Rent$554$503$522$539$653$693$733$823$768$781$785$926$798
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Housing Occupancy


Owner Occupied (with mortgage):71047.18%
Owner Occupied (free and clear, no mortgage):55737.01%
Renter Occupied:23815.81%
Total Occupied Housing Units:1,505100%

Occupied Housing Units:1,50587.76%
Vacant Housing Units (not graphed):21012.24%
Total Housing Units:1,715100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Housing Type (Single-Family, Multi-Family, Other)


Single-Family Units:1,21670.90%
Multi-Family Units:17510.20%
Other Units:32418.89%
Total Housing Units:1,715100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Education, Health & Community


In 2023, 13.90% of adults (25+) have a bachelor's degree or higher, which is markedly below the state rate (39.60%). High school or higher is 86.20%, which is falls below the national rate (89.40%). The uninsured rate is 6.50%, which is comparable to the national rate (8.60%). Public coverage is 49.40%, which is well above the national rate (36.30%). The share of people in poverty is 9.00%, which is on par with the state rate (9.80%), up 0.10 percentage points since 2011 and above its 2019 pre-pandemic level by 0.30 percentage points. Poverty has been broadly stable, which may reflect structural barriers or offsetting gains and setbacks. Among residents ages 3+, the largest enrollment group is elementary (51.92%). College enrollment is 13.07%, which is markedly below the state rate (29.60%), indicating the community may be more oriented toward vocational/trade or direct-to-workforce opportunities.

Explore More: Educational Attainment Health Insurance Poverty Over Time School Enrollment

Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. Using data from Tables DP02 and DP03.

Educational Attainment of Adults (25 and Older)


Less than 9th grade:1395.25%
9th to 12th grade, no diploma:2278.57%
High school graduate (includes equivalency):1,01738.38%
Some college, no degree:47718.00%
Associate's degree:42115.89%
Bachelor's degree:2107.92%
Graduate or professional degree:1596.00%
Total:2,650100%
High school or higher:2,28486.19%
Bachelor's degree or higher:36913.92%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Health Insurance Coverage by Type (Private, Public, Uninsured)


Private Insurance:2,35151.65%
Public Insurance:1,94642.75%
No Insurance:2555.60%
Total:4,552100%
Has Health Insurance:4,29794.40%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Percentage of People in Poverty Over Time (2011-2023)


Group2011210220132014201520162017201820192020202120222023
% of People in Poverty8.9%7.1%6.3%6.3%6.2%6.1%6.4%7.8%8.7%7.4%8.4%10.2%9.0%
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Note: Counts of Families & People in poverty are not published at the ZIP Code level due to small sample sizes. Percentages shown are survey estimates from the American Community Survey (ACS). They may differ from official poverty statistics. The U.S. Census Bureau defines poverty status by comparing a family's or individual's total income with federal poverty thresholds that vary by family size and composition.

School Enrollment by Education Level (Ages 3 and Older)


Nursery School, Preschool:728.63%
Kindergarten:769.11%
Elementary school (grades 1-8):43351.92%
High school (grades 9-12):14417.27%
College or graduate school:10913.07%
Total:834100%
Early Childhood:14817.75%
K-12 (Primary & Secondary School):65378.30%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Business & Employment Statistics


ZIP Code 13803 supports both business and residential activity. According to the Business Census (2023), there are 55 business establishments, employing about 484 people with an annual payroll of $22,157,000. USPS data shows 1,404 residential mailboxes and 18 business mailboxes, reflecting local delivery coverage.

# Residential Mailboxes:1,404Source: USPS
# Business Mailboxes:18Source: USPS
Total Delivery Receptacles:1,746Source: USPS
Single Family Delivery Units:1,336Source: USPS
Multi Family Delivery Units:0Source: USPS
# of Businesses:55Source: CBP
1st Quarter Payroll:$5,131,000Source: CBP
Annual Payroll:$22,157,000Source: CBP
# of Employees:484Source: CBP

Geography, Land Area, & Statistical Classifications


ZIP Code 13803 is located in Cortland County, New York, within the Cortland, NY Metropolitan Statistical Area (CBSA 18660) and New York's 19th Congressional District. This Micro area has a population of 46,401 people, about 9.07% of whom live in ZIP Code 13803. It covers 93.49 sq mi of land and a water area of 0.299 sq mi.

CBSA Name:Cortland, NYSource: Census
CBSA Number:18660Source: Census
CBSA Type:MicroSource: Census
CBSA Division:--Source: Census
CBSA Population:46,401Source: Census
MSA:Source: Census
Land Area:93.49 sq miSource: Census
Water Area:0.299 sq miSource: Census
Congressional District:19Source: USPS
Congressional Land Area:7937.02 sq miSource: Census
PMSA:Source: Census
Intro Date:< 2004-10Source: ZIP-Codes.com
Place FIPS Code:3645392Source: Census
Place Name:Marathon village; New YorkSource: Census

Adjacent & Nearby ZIP Codes


13804 | | 13802

Schools in ZIP Code 13803


ZIP Code 13803 is in the Marathon Central School District, which serves grades Pre-Kindergarten thru 12th. There are 2 public schools and 2 private school(s) in this ZIP Code. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.

William Appleby Elementary School 24 Albro Rd
Marathon, NY 13803
District: Marathon Central School District
Marathon High School 1 Park St
Marathon, NY 13803
District: Marathon Central School District
Jennings Ck Amish School 172 Jennings Ck Rd
Marathon, NY 13803
District: Private School
Marathon Christian Academy 5 Park St
Marathon, NY 13803
District: Private School

Colleges & Post Secondary Schools near ZIP Code 13803


Suny Cortland Miller Building
Cortland, NY 13045-0900
Type: Post Secondary
Tompkins Cortland Community College 170 North St
Dryden, NY 13053-0139
Type: Post Secondary
Cornell University 300 Day Hall
Ithaca, NY 14853
Type: Post Secondary
Ithaca College 953 Danby Road
Ithaca, NY 14850-7002
Type: Post Secondary
Broome Delaware Tioga Boces-Practical Nursing Program 435 Glenwood Rd
Binghamton, NY 13905
Type: Post Secondary
Suny Broome Community College 907 Upper Front Street
Binghamton, NY 13901-1001
Type: Post Secondary

Sources & References


Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on October 1, 2025.

  1. U.S. Postal Service [Last Updated: 10/1/2025], https://www.usps.com
  2. ZIP-Codes.com Proprietary Data Enhancements [Updated: 10/1/2025], https://www.zip-codes.com
  3. U.S. Census [Updated: Varies], https://www.census.gov
    • U.S. Census Office of Management and Budget [Updated: As Released]
    • U.S. Census 2020 Demographic & Housing Characteristics (DHC) [Decennial] [Updated: 5/25/2023]
    • U.S. Census 2011-2023 American Community Survey 5-year estimates (ACS) [Annually] [Updated: Annually, As Released]
    • U.S. Census Business Patterns (CBD) [Annually] [Updated: Annually, As Released]
    • U.S. Census American National Standards Institute (ANSI) [Updated: As Released]
  4. U.S. Geological Survey [Updated: Varies], https://www.usgs.gov
  5. Centers for Medicare & Medicaid Services [Updated: Annually, As Released], https://www.cms.gov
  6. National Center for Education Statistics [Updated: 10/1/2025], https://nces.ed.gov