Cortland County > Marathon (town)
Population trend for Marathon
03,0001990: 2,0192,01919902000: 2,1892,18920002010: 1,9671,96720102020: 2,0382,03820202023: 1,9111,9112023
U.S. Census Bureau ACS, IPUMS

Marathon is a town in Cortland County, in the Central region.

Please note: There are multiple places in Upstate New York named Marathon: Marathon (Town, Cortland County); Marathon (Village, Cortland County).

2023 Median income for Cortland County communities
American Community Survey, 2023
2000
Cortland County home price index (FHFA)
1986–2024: Home prices rose about 264%.

230 147 63 1986 2024

The numbers at left represent an index, not dollar prices. The index is set to 100 in the year 2000.

Federal Reserve Bank of St. Louis (FRED)
Occupied housing units in Marathon
American Community Survey, 2023
Household types in Marathon
Married-couple families: 433 (84.4%) Married-couple families Male householder (no spouse): 52 (10.1%) Male householder (no spouse) Female householder (no spouse): 28 (5.5%) Female householder (no spouse) Householder living alone: 155 (65.7%) Householder living alone Householder not living alone: 81 (34.3%) Householder not living alone Family Nonfamily
ACS, 2023
Poverty rates by age group in Marathon

Pct 5 and under 28% Pct 6 to 17 0% Pct 18 to 64 8% Pct 65 and over 16%

The overall poverty rate in Marathon is 10 percent.
The highest rate is found among residents ages 5 and under.
Year: 2023

ACS, 2023

Where residents of Marathon lived in the prior year

Same house: 1,656 (87.7%) Same county (different house): 128 (6.8%) Different NY county: 36 (1.9%) Different state: 59 (3.1%) 1,888 current residents Same house: 1,656 (87.7%) Same house Same county (different house): 128 (6.8%) Same county (different house) Different state: 59 (3.1%) Different state Different NY county: 36 (1.9%) Different NY county Abroad: 9 (0.5%) Abroad (under 1%)
U.S. Census ACS, 2023
Median age of Marathon residents
36.3 38.2 38.2 36.8 2010 2015 2020 2023


The margin of error can be high in 2023 estimates, particularly for small towns and villages.

Changes in median age can also indicate a shift in the number of school-age children; see the Education page for enrollment trends.

U.S. Census Bureau