29 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Hector | 1 | 4,684 | 4,891 | -1.68% | 46 | 102 | Town |
| Hector | 2 | 4,684 | 4,883 | -1.68% | 46 | 102 | Town |
| Gang Mills | 3 | 4,656 | 4,723 | 0.67% | 1,064 | 4 | CDP |
| Dix | 4 | 3,465 | 3,758 | -2.06% | 96 | 36 | Town |
| Dix | 5 | 3,465 | 3,755 | -2.06% | 96 | 36 | Town |
| Montour | 6 | 2,159 | 2,323 | -2.13% | 116 | 19 | Town |
| Montour | 7 | 2,159 | 2,319 | -2.13% | 116 | 19 | Town |
| Watkins Glen | 8 | 1,718 | 1,861 | -1.6% | 1,101 | 2 | Village |
| Watkins Glen | 9 | 1,718 | 1,856 | -1.6% | 1,101 | 2 | Village |
| Reading | 10 | 1,644 | 1,721 | -1.02% | 61 | 27 | Town |
| Reading | 11 | 1,644 | 1,718 | -1.02% | 61 | 27 | Town |
| Tyrone | 12 | 1,542 | 1,641 | -2.03% | 41 | 37 | Town |
| Tyrone | 13 | 1,542 | 1,637 | -2.03% | 41 | 37 | Town |
| Catharine | 14 | 1,510 | 1,647 | -2.45% | 47 | 32 | Town |
| Catharine | 15 | 1,510 | 1,643 | -2.45% | 47 | 32 | Town |
| Montour Falls | 16 | 1,496 | 1,652 | -2.03% | 497 | 3 | Village |
| Montour Falls | 17 | 1,496 | 1,650 | -2.03% | 497 | 3 | Village |
| Orange | 18 | 1,335 | 1,402 | -1.91% | 25 | 54 | Town |
| Orange | 19 | 1,335 | 1,400 | -1.91% | 25 | 54 | Town |
| Wayne | 20 | 988 | 1,005 | 0.1% | 48 | 21 | Town |
| Wayne | 21 | 988 | 1,003 | 0.1% | 48 | 21 | Town |
| Bradford | 22 | 790 | 810 | -0.25% | 31 | 25 | Town |
| Bradford | 23 | 790 | 808 | -0.25% | 31 | 25 | Town |
| Odessa | 24 | 515 | 561 | -1.72% | 453 | 1 | Village |
| Odessa | 25 | 515 | 560 | -1.72% | 453 | 1 | Village |
| Cayuta | 26 | 457 | 507 | -2.56% | 22 | 20 | Town |
| Cayuta | 27 | 457 | 506 | -2.56% | 22 | 20 | Town |
| Burdett | 28 | 317 | 348 | -1.86% | 330 | 1 | Village |
| Burdett | 29 | 317 | 347 | -1.86% | 330 | 1 | Village |
Hector is the largest city in Schuyler County, with a population of 4,684.
Burdett is the smallest city in Schuyler County, with a population of 317.
There are 29 cities in Schuyler County, New York.