| | Cortland County | NY | 36023 | | Cortland, NY 18660 | Ithaca-Cortland, NY 296 | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=CortlandCounty+NY |
| | Columbia County | NY | 36021 | | Hudson, NY 26460 | Albany-Schenectady, NY 104 | Central | nonmetro county (rural) | recreation | https://maps.google.com/?q=ColumbiaCounty+NY |
| | Clinton County | NY | 36019 | | Plattsburgh, NY 38460 | | Central | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=ClintonCounty+NY |
| | Chenango County | NY | 36017 | | | | | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=ChenangoCounty+NY |
| | Chemung County | NY | 36015 | | Elmira, NY 21300 | Elmira-Corning, NY 236 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=ChemungCounty+NY |
| | Chautauqua County | NY | 36013 | | Jamestown-Dunkirk, NY 27460 | | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=ChautauquaCounty+NY |
| | Cayuga County | NY | 36011 | | Auburn, NY 12180 | Syracuse-Auburn, NY 532 | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=CayugaCounty+NY |
| | Cattaraugus County | NY | 36009 | | Olean, NY 36460 | Buffalo-Cheektowaga-Olean,
NY 160 | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=CattaraugusCounty+NY |
| | Broome County | NY | 36007 | | Binghamton, NY 13780 | | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=BroomeCounty+NY |
| | Bronx County | NY | 36005 | New York-Jersey
City-White Plains, NY-NJ 35614 | New York-Newark-Jersey
City, NY-NJ 35620 | New York-Newark,
NY-NJ-CT-PA 408 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=BronxCounty+NY |