60 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Utica | 1 | 62,571 | 65,160 | -0.82% | 3,742 | 16.72 | City |
| Rome | 2 | 31,501 | 31,878 | -0.24% | 421 | 74.85 | City |
| New Hartford town | 3 | 21,988 | 21,801 | -0.1% | 865 | 25.41 | Town |
| Whitestown town | 4 | 17,770 | 18,085 | -0.15% | 650 | 27.32 | Town |
| Kirkland town | 5 | 9,601 | 9,917 | -0.48% | 284 | 33.76 | Town |
| Marcy town | 6 | 8,356 | 8,472 | 0.48% | 254 | 32.89 | Town |
| Vernon town | 7 | 8,026 | 8,298 | -0.63% | 200 | 40.14 | Town |
| Lee town | 8 | 5,945 | 6,158 | -0.64% | 132 | 45.05 | Town |
| Westmoreland town | 9 | 5,833 | 5,924 | -0.26% | 135 | 43.14 | Town |
| Verona town | 10 | 5,815 | 5,963 | -0.31% | 84 | 69.25 | Town |
| Vienna town | 11 | 5,074 | 5,253 | -0.61% | 83 | 61.45 | Town |
| Camden town | 12 | 4,625 | 4,780 | -0.52% | 86 | 54.02 | Town |
| Boonville town | 13 | 4,379 | 4,512 | -0.61% | 61 | 71.83 | Town |
| Trenton town | 14 | 4,219 | 4,288 | -0.09% | 97 | 43.38 | Town |
| Paris town | 15 | 4,152 | 4,325 | -0.72% | 132 | 31.48 | Town |
| Clinton town | 16 | 4,028 | 4,036 | -0.27% | 106 | 38.15 | Town |
| Deerfield town | 17 | 3,881 | 3,978 | -0.41% | 118 | 32.94 | Town |
| Lake Delta | 18 | 3,661 | 3,045 | 7.14% | 1,094 | 3.35 | CDP |
| Floyd town | 19 | 3,656 | 3,728 | -0.27% | 106 | 34.62 | Town |
| Whitesboro | 20 | 3,530 | 3,682 | -0.84% | 3,362 | 1.05 | Village |
| New York Mills | 21 | 3,139 | 3,266 | -0.79% | 2,660 | 1.18 | Village |
| Sherrill | 22 | 2,940 | 3,070 | -0.88% | 1,272 | 2.31 | City |
| Annsville town | 23 | 2,591 | 2,637 | -0.12% | 43 | 60.20 | Town |
| Yorkville | 24 | 2,544 | 2,654 | -0.86% | 3,791 | 0.67 | Village |
| Hamilton College | 25 | 2,383 | 1,820 | 7.15% | 4,996 | 0.48 | CDP |
| Sangerfield town | 26 | 2,246 | 2,330 | -0.62% | 73 | 30.80 | Town |
| Camden | 27 | 2,106 | 2,198 | -0.85% | 865 | 2.44 | Village |
| Washington Mills | 28 | 2,092 | 2,213 | 3% | 3,095 | 0.68 | CDP |
| Augusta town | 29 | 2,005 | 2,023 | 0% | 72 | 27.68 | Town |
| Boonville | 30 | 1,990 | 2,032 | -0.4% | 1,151 | 1.73 | Village |
| Marshall town | 31 | 1,888 | 1,959 | -0.68% | 58 | 32.80 | Town |
| New Hartford | 32 | 1,872 | 1,847 | 0.27% | 3,024 | 0.62 | Village |
| Western town | 33 | 1,785 | 1,826 | -0.28% | 35 | 51.21 | Town |
| Remsen town | 34 | 1,757 | 1,762 | 0.11% | 50 | 35.47 | Town |
| Clark Mills | 35 | 1,710 | 1,440 | -0.75% | 1,146 | 1.49 | CDP |
| Clinton | 36 | 1,615 | 1,687 | -0.86% | 2,580 | 0.63 | Village |
| Verona | 37 | 1,491 | 1,544 | 2.97% | 794 | 1.88 | CDP |
| Waterville | 38 | 1,482 | 1,551 | -0.94% | 1,047 | 1.42 | Village |
| Forestport town | 39 | 1,481 | 1,479 | 0.2% | 19 | 76.90 | Town |
| Bridgewater town | 40 | 1,450 | 1,501 | -0.62% | 61 | 23.84 | Town |
| Oriskany | 41 | 1,347 | 1,339 | 0.15% | 1,701 | 0.79 | Village |
| Florence town | 42 | 1,279 | 1,285 | 0% | 23 | 54.92 | Town |
| Vernon | 43 | 1,142 | 1,177 | -0.61% | 1,207 | 0.95 | Village |
| Steuben town | 44 | 1,105 | 1,079 | 0.82% | 26 | 42.65 | Town |
| Marcy | 45 | 989 | 834 | 7.15% | 576 | 1.72 | CDP |
| Sylvan Beach | 46 | 873 | 892 | -0.46% | 1,271 | 0.69 | Village |
| Durhamville | 47 | 805 | 901 | 1.9% | 587 | 1.37 | CDP |
| Chadwicks | 48 | 724 | 1,140 | -6.7% | 548 | 1.32 | CDP |
| Ava town | 49 | 693 | 681 | 0.29% | 18 | 37.70 | Town |
| Bridgewater | 50 | 671 | 477 | 7.19% | 691 | 0.97 | CDP |
| Oriskany Falls | 51 | 633 | 658 | -0.78% | 1,251 | 0.51 | Village |
| Clinton town | 52 | 624 | 650 | -0.79% | 9 | 67.14 | Town |
| Stittville | 53 | 411 | 375 | 7.03% | 839 | 0.49 | CDP |
| Remsen | 54 | 403 | 422 | -0.98% | 1,083 | 0.37 | Village |
| Holland Patent | 55 | 389 | 398 | -0.51% | 769 | 0.51 | Village |
| Prospect | 56 | 344 | 368 | 7.17% | 800 | 0.43 | CDP |
| Clayville | 57 | 330 | 340 | -0.6% | 752 | 0.44 | Village |
| Barneveld | 58 | 239 | 181 | 7.17% | 565 | 0.42 | CDP |
| Westernville | 59 | 239 | 171 | 7.17% | 675 | 0.35 | CDP |
| North Bay | 60 | 191 | 201 | 7.3% | 171 | 1.11 | CDP |
Utica is the largest city in Oneida County, with a population of 62,571.
North Bay is the smallest city in Oneida County.
There are 60 cities in Oneida County, New York.