Fastest growing counties in New York.
County | Rank | Change (2020) | 2024 Pop. | 2020 Pop. |
|---|---|---|---|---|
| Tompkins County | 1 | 3.05% | 102,817 | 99,772 |
| Otsego County | 2 | 2.52% | 59,843 | 58,373 |
| Sullivan County | 3 | 2.11% | 80,105 | 78,453 |
| Orange County | 4 | 1.86% | 408,449 | 400,986 |
| Saratoga County | 5 | 1.34% | 238,954 | 235,793 |
| Schoharie County | 6 | 1.23% | 30,119 | 29,753 |
| Rockland County | 7 | 1.15% | 341,257 | 337,367 |
| Albany County | 8 | 1.08% | 317,397 | 314,018 |
| Ulster County | 9 | 0.59% | 182,346 | 181,271 |
| Oswego County | 10 | 0.56% | 118,085 | 117,429 |
| Schenectady County | 11 | 0.52% | 160,110 | 159,289 |
| Dutchess County | 12 | 0.27% | 296,691 | 295,901 |
| Putnam County | 13 | 0.18% | 97,808 | 97,635 |
| Ontario County | 14 | 0.13% | 112,507 | 112,363 |
| Montgomery County | 15 | -0.17% | 49,403 | 49,485 |
| Lewis County | 16 | -0.22% | 26,501 | 26,560 |
| Suffolk County | 17 | -0.24% | 1,518,366 | 1,522,064 |
| Delaware County | 18 | -0.42% | 44,046 | 44,231 |
| Warren County | 19 | -0.42% | 65,333 | 65,609 |
| Wayne County | 20 | -0.55% | 90,700 | 91,202 |
| Hamilton County | 21 | -0.71% | 5,043 | 5,079 |
| Nassau County | 22 | -0.89% | 1,378,136 | 1,390,491 |
| Erie County | 23 | -0.89% | 943,871 | 952,342 |
| Richmond County | 24 | -0.93% | 490,016 | 494,598 |
| Livingston County | 25 | -1% | 60,976 | 61,590 |
| Rensselaer County | 26 | -1.05% | 159,189 | 160,871 |
| Herkimer County | 27 | -1.09% | 59,384 | 60,037 |
| Genesee County | 28 | -1.1% | 57,660 | 58,302 |
| Yates County | 29 | -1.13% | 24,442 | 24,722 |
| Westchester County | 30 | -1.15% | 989,898 | 1,001,453 |
| Essex County | 31 | -1.31% | 36,787 | 37,275 |
| Tioga County | 32 | -1.41% | 47,664 | 48,348 |
| St. Lawrence County | 33 | -1.42% | 106,791 | 108,329 |
| Monroe County | 34 | -1.51% | 746,077 | 757,551 |
| Allegany County | 35 | -1.59% | 46,576 | 47,328 |
| Steuben County | 36 | -1.6% | 91,819 | 93,309 |
| Broome County | 37 | -1.65% | 194,896 | 198,156 |
| Fulton County | 38 | -1.67% | 52,212 | 53,100 |
| Jefferson County | 39 | -1.69% | 114,113 | 116,069 |
| Madison County | 40 | -1.69% | 66,788 | 67,935 |
| Onondaga County | 41 | -1.72% | 466,018 | 474,192 |
| Niagara County | 42 | -1.73% | 208,447 | 212,126 |
| Franklin County | 43 | -1.82% | 46,611 | 47,477 |
| Oneida County | 44 | -1.87% | 226,752 | 231,082 |
| Clinton County | 45 | -1.89% | 78,193 | 79,699 |
| Wyoming County | 46 | -1.98% | 39,463 | 40,259 |
| Greene County | 47 | -2.04% | 46,779 | 47,752 |
| Chautauqua County | 48 | -2.31% | 124,438 | 127,376 |
| Cattaraugus County | 49 | -2.37% | 75,150 | 76,974 |
| Cayuga County | 50 | -2.44% | 74,291 | 76,147 |
| Schuyler County | 51 | -2.57% | 17,405 | 17,864 |
| Columbia County | 52 | -2.58% | 59,832 | 61,414 |
| Orleans County | 53 | -2.62% | 39,085 | 40,135 |
| Cortland County | 54 | -2.82% | 45,423 | 46,741 |
| Washington County | 55 | -2.96% | 59,284 | 61,091 |
| Chemung County | 56 | -3.18% | 81,009 | 83,668 |
| Chenango County | 57 | -3.3% | 45,509 | 47,064 |
| Seneca County | 58 | -4.19% | 32,112 | 33,516 |
| New York County | 59 | -4.58% | 1,600,359 | 1,677,232 |
| Queens County | 60 | -6.82% | 2,225,834 | 2,388,864 |
| Kings County | 61 | -6.82% | 2,532,919 | 2,718,447 |
| Bronx County | 62 | -8.9% | 1,331,144 | 1,461,151 |