34 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Norwich | 1 | 6,508 | 7,006 | -1.51% | 3,064 | 2 | City |
| Greene | 2 | 5,013 | 5,286 | -0.58% | 67 | 75 | Town |
| Sherburne | 3 | 3,855 | 3,952 | -0.18% | 89 | 44 | Town |
| Oxford | 4 | 3,605 | 3,596 | 1.12% | 60 | 60 | Town |
| Norwich | 5 | 3,494 | 3,586 | 0.09% | 83 | 42 | Town |
| Bainbridge | 6 | 2,989 | 3,055 | -0.13% | 87 | 34 | Town |
| Afton | 7 | 2,708 | 2,764 | -0.15% | 59 | 46 | Town |
| Guilford | 8 | 2,666 | 2,730 | -0.22% | 43 | 62 | Town |
| New Berlin | 9 | 2,491 | 2,523 | 0% | 54 | 46 | Town |
| North Norwich | 10 | 1,633 | 1,664 | -0.06% | 58 | 28 | Town |
| Plymouth | 11 | 1,584 | 1,624 | -0.25% | 38 | 42 | Town |
| Coventry | 12 | 1,481 | 1,516 | -0.2% | 31 | 49 | Town |
| Greene | 13 | 1,406 | 1,495 | -1.26% | 1,316 | 1 | Village |
| Sherburne | 14 | 1,359 | 1,392 | -0.51% | 895 | 2 | Village |
| Oxford | 15 | 1,323 | 1,352 | -0.45% | 747 | 2 | Village |
| Bainbridge | 16 | 1,245 | 1,279 | -0.56% | 947 | 1 | Village |
| Smithville | 17 | 1,231 | 1,253 | -0.08% | 24 | 50 | Town |
| Smyrna | 18 | 1,213 | 1,231 | 0% | 29 | 42 | Town |
| New Berlin | 19 | 906 | 913 | -0.22% | 850 | 1 | Village |
| Columbus | 20 | 881 | 905 | -0.45% | 24 | 37 | Town |
| Preston | 21 | 873 | 890 | -0.11% | 25 | 35 | Town |
| Otselic | 22 | 837 | 855 | -0.12% | 22 | 38 | Town |
| Afton | 23 | 781 | 800 | -0.51% | 511 | 2 | Village |
| McDonough | 24 | 781 | 796 | -0.13% | 20 | 39 | Town |
| Earlville | 25 | 764 | 798 | -0.91% | 707 | 1 | Village |
| Pitcher | 26 | 655 | 670 | -0.3% | 23 | 28 | Town |
| Pharsalia | 27 | 500 | 511 | -0.2% | 13 | 39 | Town |
| DeRuyter | 28 | 415 | 428 | -0.72% | 1,125 | 0 | Village |
| Lincklaen | 29 | 351 | 358 | 0% | 13 | 26 | Town |
| Smithville Flats | 30 | 342 | 318 | -0.29% | 241 | 1 | CDP |
| German | 31 | 301 | 308 | 0% | 11 | 28 | Town |
| Smyrna | 32 | 202 | 205 | -0.49% | 828 | 0 | Village |
| South Edmeston | 33 | 195 | 137 | 7.14% | 208 | 1 | CDP |
| Guilford | 34 | 108 | 204 | -13.6% | 81 | 1 | CDP |
Norwich is the largest city in Chenango County, with a population of 6,508.
Guilford is the smallest city in Chenango County, with a population of 108.
There are 34 cities in Chenango County, New York.