15 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Hector town | 1 | 4,837 | 4,885 | -0.27% | 47 | 102.37 | Town |
| Gang Mills | 2 | 4,656 | 4,723 | 0.67% | 1,064 | 4.38 | CDP |
| Dix town | 3 | 3,568 | 3,754 | -0.72% | 98 | 36.26 | Town |
| Montour town | 4 | 2,215 | 2,320 | -0.98% | 119 | 18.58 | Town |
| Watkins Glen | 5 | 1,742 | 1,856 | -1.3% | 1,117 | 1.56 | Village |
| Reading town | 6 | 1,679 | 1,716 | -0.18% | 62 | 27.15 | Town |
| Tyrone town | 7 | 1,586 | 1,636 | -0.75% | 43 | 37.30 | Town |
| Catharine town | 8 | 1,568 | 1,646 | -0.82% | 49 | 32.30 | Town |
| Montour Falls | 9 | 1,505 | 1,649 | -1.89% | 500 | 3.01 | Village |
| Orange town | 10 | 1,380 | 1,401 | -0.43% | 26 | 54.07 | Town |
| Wayne town | 11 | 986 | 1,004 | -0.2% | 48 | 20.58 | Town |
| Bradford town | 12 | 787 | 809 | -0.38% | 31 | 25.12 | Town |
| Odessa | 13 | 526 | 561 | -1.31% | 463 | 1.14 | Village |
| Cayuta town | 14 | 470 | 506 | -1.47% | 23 | 20.32 | Town |
| Burdett | 15 | 323 | 348 | -1.52% | 336 | 0.96 | Village |
Hector town is the largest city in Schuyler County, with a population of 4,837.
Burdett is the smallest city in Schuyler County.
There are 15 cities in Schuyler County, New York.