74 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 10701 | Yonkers | 70,054 |
| 10801 | New Rochelle | 41,984 |
| 10573 | Port Chester | 40,982 |
| 10583 | Scarsdale | 40,612 |
| 10705 | Yonkers | 40,390 |
| 10550 | Mount Vernon | 40,072 |
| 10562 | Ossining | 33,700 |
| 10704 | Yonkers | 31,844 |
| 10598 | Yorktown Heights | 28,894 |
| 10710 | Yonkers | 25,684 |
| 10566 | Peekskill | 25,484 |
| 10591 | Tarrytown | 23,663 |
| 10703 | Yonkers | 22,135 |
| 10708 | Bronxville | 21,946 |
| 10552 | Mount Vernon | 21,499 |
| 10805 | New Rochelle | 21,230 |
| 10543 | Mamaroneck | 21,022 |
| 10567 | Cortlandt Manor | 20,260 |
| 10605 | White Plains | 19,371 |
| 10603 | White Plains | 19,201 |
| 10580 | Rye | 18,073 |
| 10538 | Larchmont | 17,709 |
| 10606 | White Plains | 17,556 |
| 10549 | Mount Kisco | 15,858 |
| 10804 | New Rochelle | 15,228 |
| 10530 | Hartsdale | 13,955 |
| 10528 | Harrison | 13,822 |
| 10570 | Pleasantville | 13,391 |
| 10803 | Pelham | 13,096 |
| 10514 | Chappaqua | 12,227 |
| 10520 | Croton On Hudson | 12,208 |
| 10604 | West Harrison | 12,192 |
| 10522 | Dobbs Ferry | 11,464 |
| 10536 | Katonah | 11,010 |
| 10601 | White Plains | 10,860 |
| 10553 | Mount Vernon | 10,815 |
| 10709 | Eastchester | 10,274 |
| 10510 | Briarcliff Manor | 10,027 |
| 10523 | Elmsford | 9,773 |
| 10707 | Tuckahoe | 9,755 |
| 10706 | Hastings On Hudson | 9,119 |
| 10504 | Armonk | 7,853 |
| 10547 | Mohegan Lake | 7,361 |
| 10533 | Irvington | 7,337 |
| 10590 | South Salem | 7,314 |
| 10589 | Somers | 7,266 |
| 10595 | Valhalla | 7,180 |
| 10506 | Bedford | 6,246 |
| 10607 | White Plains | 6,222 |
| 10507 | Bedford Hills | 6,044 |
| 10577 | Purchase | 5,901 |
| 10502 | Ardsley | 5,875 |
| 10594 | Thornwood | 5,512 |
| 10532 | Hawthorne | 5,253 |
| 10560 | North Salem | 4,914 |
| 10576 | Pound Ridge | 4,904 |
| 10548 | Montrose | 4,302 |
| 10588 | Shrub Oak | 3,081 |
| 10511 | Buchanan | 2,296 |
| 10526 | Goldens Bridge | 2,040 |
| 10578 | Purdys | 1,851 |
| 10501 | Amawalk | 1,426 |
| 10505 | Baldwin Place | 1,295 |
| 10546 | Millwood | 1,229 |
| 10518 | Cross River | 789 |
| 10596 | Verplanck | 657 |
| 10597 | Waccabuc | 652 |
| 10527 | Granite Springs | 587 |
| 10517 | Crompond | 551 |
| 10535 | Jefferson Valley | 323 |
| 10519 | Croton Falls | 188 |
| 10545 | Maryknoll | 182 |
| 10503 | Ardsley On Hudson | 127 |
| 10540 | Lincolndale | 114 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 74 ZCTAs in Westchester County, New York (US Census).