There are 11 zip codes in Cortland County, New York. The most populated is 13045, located in Cortland. * 2024 populations estimated based on the latest ACS 5-year data.

CSV JSON
Zip Code
Population
City
1304528,157Cortland
130776,646Homer
138034,278Marathon
130402,620Cincinnatus
131012,410McGraw
131581,352Truxton
13141655Preble
13863473Willet
13784294Harford
13087161Little York
1373844Blodgett Mills

Zip Codes in Cortland County, New York by Population (2024)