55 ZIP Codes
| Zip Code | City | Population ↓ |
|---|---|---|
| 12401 | Kingston | 35,136 |
| 12561 | New Paltz | 19,830 |
| 12477 | Saugerties | 19,066 |
| 12589 | Wallkill | 18,646 |
| 12528 | Highland | 13,827 |
| 12566 | Pine Bush | 10,269 |
| 12428 | Ellenville | 6,995 |
| 12542 | Marlboro | 5,612 |
| 12446 | Kerhonkson | 5,414 |
| 12498 | Woodstock | 4,572 |
| 12487 | Ulster Park | 4,035 |
| 12404 | Accord | 3,935 |
| 12443 | Hurley | 3,559 |
| 12484 | Stone Ridge | 3,155 |
| 12547 | Milton | 3,144 |
| 12458 | Napanoch | 3,074 |
| 12449 | Lake Katrine | 3,010 |
| 12525 | Gardiner | 2,749 |
| 12491 | West Hurley | 1,981 |
| 12466 | Port Ewen | 1,981 |
| 12440 | High Falls | 1,826 |
| 12740 | Grahamsville | 1,732 |
| 12461 | Olivebridge | 1,604 |
| 12515 | Clintondale | 1,492 |
| 12486 | Tillson | 1,440 |
| 12481 | Shokan | 1,247 |
| 12472 | Rosendale | 1,146 |
| 12419 | Cottekill | 1,081 |
| 12548 | Modena | 1,064 |
| 12457 | Mount Tremper | 1,041 |
| 12464 | Phoenicia | 1,033 |
| 12494 | West Shokan | 934 |
| 12409 | Bearsville | 865 |
| 12417 | Connelly | 828 |
| 12432 | Glasco | 697 |
| 12406 | Arkville | 644 |
| 12475 | Ruby | 557 |
| 12493 | West Park | 526 |
| 12412 | Boiceville | 475 |
| 12433 | Glenford | 470 |
| 12725 | Claryville | 403 |
| 12456 | Mount Marion | 390 |
| 12420 | Cragsmoor | 381 |
| 12410 | Big Indian | 343 |
| 12411 | Bloomington | 325 |
| 12495 | Willow | 277 |
| 12465 | Pine Hill | 255 |
| 12453 | Malden On Hudson | 241 |
| 12471 | Rifton | 237 |
| 12435 | Greenfield Park | 209 |
| 12448 | Lake Hill | 207 |
| 12429 | Esopus | 185 |
| 12416 | Chichester | 106 |
| 12489 | Wawarsing | 93 |
| 12490 | West Camp | 0 |
The data shown reflect ZCTAs from the US Census. As of 2025, there are 55 ZCTAs in Ulster County, New York (US Census).