Sullivan County, New York Zip Codes
| Monticello | 12,448 |
| Bloomingburg | 7,872 |
| Liberty | 7,800 |
| Wurtsboro | 4,226 |
| Livingston Manor | 3,857 |
| Woodbourne | 2,841 |
| Rock Hill | 2,474 |
| Woodridge | 2,336 |
| South Fallsburg | 2,304 |
| Loch Sheldrake | 2,145 |
| Hurleyville | 2,026 |
| Fallsburg | 1,996 |
| Callicoon | 1,776 |
| Jeffersonville | 1,751 |
| Narrowsburg | 1,713 |
| Glen Spey | 1,625 |
| Swan Lake | 1,409 |
| Cochecton | 1,357 |
| Kiamesha Lake | 1,151 |
| Barryville | 1,132 |
| Westbrookville | 1,041 |
| Ferndale | 1,016 |
| Neversink | 891 |
| Parksville | 866 |
| Forestburgh | 846 |
| Eldred | 830 |
| Youngsville | 690 |
| North Branch | 658 |
| White Lake | 568 |
| Kauneonga Lake | 539 |
| Mountain Dale | 470 |
| Smallwood | 402 |
| Phillipsport | 363 |
| Glen Wild | 359 |
| Mongaup Valley | 350 |
| Highland Lake | 310 |
| Lake Huntington | 302 |
| Bethel | 274 |
| Obernburg | 225 |
| Summitville | 202 |
| Harris | 194 |
| Pond Eddy | 180 |
| Hankins | 168 |
| Yulan | 167 |
| Fremont Center | 122 |
| White Sulphur Springs | 97 |
| Callicoon Center | 78 |
| Spring Glen | 71 |
| Kenoza Lake | 36 |
| Hortonville | 5 |
| Thompsonville | 0 |
| Burlingham | 0 |
- Population is the most recent figure from the U.S. Census Bureau's 2022 American Community Survey (ACS) 5-Year Estimates.