| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Yonkers | 1 | 212,739 | 211,002 | 0.06% | 11,815 | 18 | City |
| Greenburgh | 2 | 94,850 | 95,032 | 0.33% | 3,127 | 30 | Town |
| New Rochelle | 3 | 87,229 | 80,205 | 1.59% | 8,480 | 10 | City |
| Mount Vernon | 4 | 71,952 | 73,556 | -0.49% | 16,383 | 4 | City |
| White Plains | 5 | 63,647 | 59,587 | 1.23% | 6,537 | 10 | City |
| Rye | 6 | 51,339 | 49,380 | 2.66% | 7,431 | 7 | Town |
| Mount Pleasant | 7 | 45,642 | 44,338 | 0.44% | 1,663 | 27 | Town |
| Cortlandt | 8 | 42,911 | 42,312 | 1.17% | 1,090 | 39 | Town |
| Ossining | 9 | 40,633 | 39,819 | 1.67% | 3,509 | 12 | Town |
| Yorktown | 10 | 36,045 | 36,401 | 0.28% | 981 | 37 | Town |
| Eastchester | 11 | 34,092 | 34,500 | 0.23% | 6,995 | 5 | Town |
| Harrison | 12 | 33,103 | 28,148 | 2.57% | 1,974 | 17 | Village |
| Harrison | 13 | 33,076 | 28,148 | 2.49% | 1,973 | 17 | Town |
| Port Chester | 14 | 32,167 | 31,572 | -0.42% | 13,817 | 2 | Village |
| Mamaroneck | 15 | 31,655 | 31,594 | 0.56% | 4,725 | 7 | Town |
| Ossining | 16 | 27,481 | 27,340 | -0.36% | 8,677 | 3 | Village |
| Peekskill | 17 | 26,014 | 25,335 | 0.48% | 5,988 | 4 | City |
| Somers | 18 | 21,442 | 21,428 | 0.32% | 720 | 30 | Town |
| Mamaroneck | 19 | 19,834 | 20,071 | -0.31% | 6,181 | 3 | Village |
| New Castle | 20 | 18,393 | 18,234 | 0.73% | 796 | 23 | Town |
| Scarsdale | 21 | 18,313 | 18,197 | 0.65% | 2,744 | 7 | Town |
| Scarsdale | 22 | 18,163 | 18,197 | -0.17% | 2,721 | 7 | Village |
| Bedford | 23 | 17,058 | 17,109 | 0.74% | 455 | 38 | Town |
| Rye | 24 | 16,604 | 16,544 | -0.06% | 2,837 | 6 | City |
| Pelham | 25 | 13,267 | 13,027 | 0.21% | 6,100 | 2 | Town |
| North Castle | 26 | 12,421 | 12,356 | 0.49% | 523 | 24 | Town |
| Lewisboro | 27 | 12,208 | 12,208 | 0.38% | 440 | 28 | Town |
| Tarrytown | 28 | 11,904 | 11,799 | 0.12% | 4,054 | 3 | Village |
| Sleepy Hollow | 29 | 11,842 | 9,967 | 3.21% | 5,280 | 2 | Village |
| Dobbs Ferry | 30 | 11,668 | 11,474 | 0.2% | 4,816 | 2 | Village |
| Mount Kisco | 31 | 10,787 | 10,915 | 0.28% | 3,547 | 3 | Town |
| Mount Kisco | 32 | 10,710 | 10,915 | -0.44% | 3,522 | 3 | Village |
| Rye Brook | 33 | 9,944 | 9,968 | -0.11% | 2,901 | 3 | Village |
| Hastings-on-Hudson | 34 | 8,408 | 8,548 | -0.38% | 4,249 | 2 | Village |
| Croton-on-Hudson | 35 | 8,282 | 8,250 | 0% | 1,765 | 5 | Village |
| Pelham | 36 | 7,679 | 7,305 | 0.93% | 9,342 | 1 | Village |
| Briarcliff Manor | 37 | 7,461 | 7,540 | -0.27% | 1,245 | 6 | Village |
| Pleasantville | 38 | 7,359 | 7,489 | -0.43% | 3,971 | 2 | Village |
| Tuckahoe | 39 | 7,013 | 7,070 | -0.23% | 11,669 | 1 | Village |
| Larchmont | 40 | 6,761 | 6,605 | 0.16% | 6,169 | 1 | Village |
| Irvington | 41 | 6,504 | 6,629 | -0.44% | 2,331 | 3 | Village |
| Bronxville | 42 | 6,470 | 6,627 | -0.52% | 6,656 | 1 | Village |
| North Salem | 43 | 5,198 | 5,156 | 0.33% | 243 | 21 | Town |
| Elmsford | 44 | 5,184 | 5,258 | -0.37% | 4,904 | 1 | Village |
| Pound Ridge | 45 | 5,086 | 5,068 | 0.57% | 228 | 22 | Town |
| Ardsley | 46 | 4,986 | 5,072 | -0.42% | 3,774 | 1 | Village |
| Buchanan | 47 | 2,618 | 2,291 | -0.42% | 1,850 | 1 | Village |
Yonkers is the largest city in Westchester County, with a population of 212,739.
Buchanan is the smallest city in Westchester County, with a population of 2,618.
There are 47 cities in Westchester County, New York.