Founded in 1800, Greene County is one of 62 counties in the state of New York. Historically, Greene County was formed from Albany County and Ulster County. The city of Catskill is the county seat. With FIPS code of 39, Greene County has a population of 48,499 and area of 658 square miles (1,704 km2).
List of all cities in Greene County, NY alphabetically
| City/Town | Postal Code | Area Code |
| Acra, NY | 12405 | 518 |
| Ashland, NY | 12407 | 518 |
| Athens, NY | 12015 | 518 |
| Cairo, NY | 12413 | 518 |
| Catskill, NY | 12414 | 518 |
| Cementon, NY | 12414 | 518 |
| Climax, NY | 12042 | 518 |
| Cornwallville, NY | 12418 | 518 |
| Coxsackie, NY | 12051 | 518 |
| Coxsackie, NY | 12192 | 518 |
| Durham, NY | 12422 | 518 |
| Earlton, NY | 12058 | 518 |
| East Durham, NY | 12423 | 518 |
| East Jewett, NY | 12424 | 518 |
| East Windham, NY | 12439 | 518 |
| Elka Park, NY | 12427 | 518 |
| Freehold, NY | 12431 | 518 |
| Greenville, NY | 12083 | 518 |
| Haines Falls, NY | 12436 | 518 |
| Hannacroix, NY | 12087 | 518 |
| Hensonville, NY | 12439 | 518 |
| Hunter, NY | 12442 | 518 |
| Jewett, NY | 12444 | 518 |
| Lanesville, NY | 12450 | 845 |
| Leeds, NY | 12451 | 518 |
| Lexington, NY | 12452 | 518 |
| Maplecrest, NY | 12454 | 518 |
| New Baltimore, NY | 12124 | 518 |
| Norton Hill, NY | 12083 | 518 |
| Oak Hill, NY | 12460 | 518 |
| Palenville, NY | 12463 | 518 |
| Prattsville, NY | 12468 | 518 |
| Purling, NY | 12470 | 518 |
| Red Falls, NY | 12468 | 518 |
| Round Top, NY | 12473 | 518 |
| South Cairo, NY | 12482 | 518 |
| South Durham, NY | 12405 | 518 |
| South Westerlo, NY | 12083 | 518 |
| Surprise, NY | 12176 | 518 |
| Tannersville, NY | 12424 | 518 |
| Tannersville, NY | 12485 | 518 |
| West Coxsackie, NY | 12192 | 518 |
| West Durham, NY | 12422 | 518 |
| West Kill, NY | 12492 | 518 |
| Windham, NY | 12496 | 518 |