90 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Jamestown | 1 | 27,455 | 28,704 | -0.88% | 3,085 | 9 | City |
| Jamestown | 2 | 27,455 | 28,673 | -0.88% | 3,085 | 9 | City |
| Pomfret | 3 | 12,569 | 13,034 | -0.29% | 287 | 44 | Town |
| Pomfret | 4 | 12,569 | 13,018 | -0.29% | 287 | 44 | Town |
| Dunkirk | 5 | 12,291 | 12,737 | -0.71% | 2,704 | 5 | City |
| Dunkirk | 6 | 12,291 | 12,731 | -0.71% | 2,704 | 5 | City |
| Fredonia | 7 | 9,205 | 9,667 | -0.97% | 1,792 | 5 | Village |
| Fredonia | 8 | 9,205 | 9,654 | -0.97% | 1,792 | 5 | Village |
| Ellicott | 9 | 8,541 | 8,776 | -0.34% | 280 | 30 | Town |
| Ellicott | 10 | 8,541 | 8,768 | -0.34% | 280 | 30 | Town |
| Busti | 11 | 7,340 | 7,545 | -0.46% | 152 | 48 | Town |
| Busti | 12 | 7,340 | 7,537 | -0.46% | 152 | 48 | Town |
| Hanover | 13 | 6,791 | 6,978 | -0.44% | 138 | 49 | Town |
| Hanover | 14 | 6,791 | 6,971 | -0.44% | 138 | 49 | Town |
| Westfield | 15 | 4,382 | 4,554 | -0.84% | 93 | 47 | Town |
| Westfield | 16 | 4,382 | 4,553 | -0.84% | 93 | 47 | Town |
| Ellery | 17 | 4,039 | 4,126 | -0.05% | 85 | 47 | Town |
| Ellery | 18 | 4,039 | 4,123 | -0.05% | 85 | 47 | Town |
| Chautauqua | 19 | 3,940 | 4,012 | -0.33% | 58 | 67 | Town |
| Chautauqua | 20 | 3,940 | 3,976 | -0.33% | 58 | 67 | Town |
| Portland | 21 | 3,768 | 4,306 | -2.46% | 111 | 34 | Town |
| Portland | 22 | 3,768 | 4,158 | -2.46% | 111 | 34 | Town |
| Carroll | 23 | 3,373 | 3,460 | -0.41% | 101 | 33 | Town |
| Carroll | 24 | 3,373 | 3,459 | -0.41% | 101 | 33 | Town |
| Lakewood | 25 | 2,917 | 2,997 | -0.55% | 1,488 | 2 | Village |
| Lakewood | 26 | 2,917 | 2,994 | -0.55% | 1,488 | 2 | Village |
| Westfield | 27 | 2,860 | 2,994 | -0.94% | 756 | 4 | Village |
| Westfield | 28 | 2,860 | 2,995 | -0.94% | 756 | 4 | Village |
| Jamestown West | 29 | 2,632 | 2,421 | 0.57% | 1,044 | 3 | CDP |
| Silver Creek | 30 | 2,555 | 2,650 | -0.74% | 2,224 | 1 | Village |
| Silver Creek | 31 | 2,555 | 2,647 | -0.74% | 2,224 | 1 | Village |
| Sheridan | 32 | 2,500 | 2,567 | -0.24% | 67 | 37 | Town |
| Sheridan | 33 | 2,500 | 2,565 | -0.24% | 67 | 37 | Town |
| Ripley | 34 | 2,254 | 2,321 | -0.49% | 46 | 49 | Town |
| Ripley | 35 | 2,254 | 2,319 | -0.49% | 46 | 49 | Town |
| Falconer | 36 | 2,211 | 2,295 | -0.76% | 2,049 | 1 | Village |
| Falconer | 37 | 2,211 | 2,293 | -0.76% | 2,049 | 1 | Village |
| North Harmony | 38 | 2,203 | 2,196 | 0.32% | 52 | 42 | Town |
| North Harmony | 39 | 2,203 | 2,195 | 0.32% | 52 | 42 | Town |
| Harmony | 40 | 2,065 | 2,114 | -0.05% | 46 | 45 | Town |
| Harmony | 41 | 2,065 | 2,112 | -0.05% | 46 | 45 | Town |
| Stockton | 42 | 1,995 | 2,039 | -0.1% | 42 | 47 | Town |
| Stockton | 43 | 1,995 | 2,037 | -0.1% | 42 | 47 | Town |
| Frewsburg | 44 | 1,887 | 1,719 | -0.05% | 565 | 3 | CDP |
| Clymer | 45 | 1,807 | 1,758 | 0.72% | 50 | 36 | Town |
| Clymer | 46 | 1,807 | 1,762 | 0.72% | 50 | 36 | Town |
| Gerry | 47 | 1,704 | 1,778 | -0.06% | 47 | 36 | Town |
| Gerry | 48 | 1,704 | 1,782 | -0.06% | 47 | 36 | Town |
| Sherman | 49 | 1,651 | 1,624 | 0.86% | 45 | 36 | Town |
| Sherman | 50 | 1,651 | 1,625 | 0.86% | 45 | 36 | Town |
| Charlotte | 51 | 1,527 | 1,528 | -0.52% | 42 | 36 | Town |
| Charlotte | 52 | 1,527 | 1,530 | -0.52% | 42 | 36 | Town |
| Ellington | 53 | 1,481 | 1,497 | -0.2% | 41 | 37 | Town |
| Ellington | 54 | 1,481 | 1,498 | -0.2% | 41 | 37 | Town |
| Mayville | 55 | 1,444 | 1,459 | 0.21% | 716 | 2 | Village |
| Mayville | 56 | 1,444 | 1,426 | 0.21% | 716 | 2 | Village |
| Kiantone | 57 | 1,362 | 1,396 | 0% | 74 | 18 | Town |
| Kiantone | 58 | 1,362 | 1,395 | 0% | 74 | 18 | Town |
| Brocton | 59 | 1,296 | 1,342 | -0.69% | 733 | 2 | Village |
| Brocton | 60 | 1,296 | 1,341 | -0.69% | 733 | 2 | Village |
| Dunkirk | 61 | 1,183 | 1,237 | -1.58% | 190 | 6 | Town |
| Dunkirk | 62 | 1,183 | 1,228 | -1.58% | 190 | 6 | Town |
| Celoron | 63 | 1,047 | 1,081 | -0.66% | 1,400 | 1 | Village |
| Celoron | 64 | 1,047 | 1,080 | -0.66% | 1,400 | 1 | Village |
| Villenova | 65 | 1,044 | 1,060 | -0.1% | 29 | 36 | Town |
| Villenova | 66 | 1,044 | 1,059 | -0.1% | 29 | 36 | Town |
| Cherry Creek | 67 | 1,035 | 1,032 | 0.29% | 28 | 37 | Town |
| Cherry Creek | 68 | 1,035 | 1,031 | 0.29% | 28 | 37 | Town |
| Arkwright | 69 | 994 | 1,006 | -0.5% | 28 | 36 | Town |
| Arkwright | 70 | 994 | 1,007 | -0.5% | 28 | 36 | Town |
| Ripley | 71 | 987 | 838 | 0.82% | 719 | 1 | CDP |
| French Creek | 72 | 978 | 1,000 | 0.2% | 27 | 36 | Town |
| French Creek | 73 | 978 | 999 | 0.2% | 27 | 36 | Town |
| Mina | 74 | 977 | 1,007 | -0.41% | 27 | 36 | Town |
| Mina | 75 | 977 | 1,006 | -0.41% | 27 | 36 | Town |
| Forestville | 76 | 665 | 820 | 7.09% | 630 | 1 | CDP |
| Sherman | 77 | 663 | 683 | -0.6% | 817 | 1 | Village |
| Sherman | 78 | 663 | 682 | -0.6% | 817 | 1 | Village |
| Sinclairville | 79 | 558 | 578 | -0.71% | 344 | 2 | Village |
| Sinclairville | 80 | 558 | 577 | -0.71% | 344 | 2 | Village |
| Cassadaga | 81 | 554 | 565 | -0.36% | 655 | 1 | Village |
| Cassadaga | 82 | 554 | 564 | -0.36% | 655 | 1 | Village |
| Panama | 83 | 449 | 464 | -0.66% | 203 | 2 | Village |
| Panama | 84 | 449 | 464 | -0.66% | 203 | 2 | Village |
| Cherry Creek | 85 | 386 | 484 | 7.22% | 283 | 1 | CDP |
| Bemus Point | 86 | 301 | 313 | -0.99% | 718 | 0 | Village |
| Bemus Point | 87 | 301 | 313 | -0.99% | 718 | 0 | Village |
| Chautauqua | 88 | 291 | 303 | 2.46% | 680 | 0 | CDP |
| Busti | 89 | 227 | 223 | -4.62% | 100 | 2 | CDP |
| Kennedy | 90 | 161 | 261 | -11.54% | 79 | 2 | CDP |
Jamestown is the largest city in Chautauqua County, with a population of 27,455.
Kennedy is the smallest city in Chautauqua County, with a population of 161.
There are 90 cities in Chautauqua County, New York.