Table 2: Population, Land Area, and Population Density by County, New York State - 2015
| County | 2015 Population Estimate | 2010 Census Population | 2010 Land Area Square Miles | 2015 Population Density1 |
|---|---|---|---|---|
| New York State | ||||
| New York State | 19,795,791 | 19,378,102 | 47,126.40 | 420.06 |
| New York City | ||||
| New York City | 8,550,405 | 8,175,133 | 302.65 | 28,251.79 |
| Bronx | 1,455,444 | 1,385,108 | 42.10 | 34,571.12 |
| Kings | 2,636,735 | 2,504,700 | 70.82 | 37,231.50 |
| New York | 1,644,518 | 1,585,873 | 22.83 | 72,033.20 |
| Queens | 2,339,150 | 2,230,722 | 108.53 | 21,553.03 |
| Richmond | 474,558 | 468,730 | 58.37 | 8,130.17 |
| Rest of State | ||||
| Rest of State | 11,245,386 | 11,202,969 | 46,823.75 | 240.16 |
| Albany | 309,381 | 304,204 | 522.80 | 591.78 |
| Allegany | 47,462 | 48,946 | 1,029.31 | 46.11 |
| Broome | 196,567 | 200,600 | 705.77 | 278.51 |
| Cattaraugus | 77,922 | 80,317 | 1,308.35 | 59.56 |
| Cayuga | 78,288 | 80,026 | 691.58 | 113.20 |
| Chautauqua | 130,779 | 134,905 | 1,060.23 | 123.35 |
| Chemung | 87,071 | 88,830 | 407.35 | 213.75 |
| Chenango | 48,844 | 50,477 | 893.55 | 54.66 |
| Clinton | 81,251 | 82,128 | 1,037.85 | 78.29 |
| Columbia | 61,509 | 63,096 | 634.71 | 96.91 |
| Cortland | 48,494 | 49,336 | 498.76 | 97.23 |
| Delaware | 46,053 | 47,980 | 1,442.44 | 31.93 |
| Dutchess | 295,754 | 297,488 | 795.63 | 371.72 |
| Erie | 922,578 | 919,040 | 1,042.69 | 884.81 |
| Essex | 38,478 | 39,370 | 1,794.23 | 21.45 |
| Franklin | 50,660 | 51,599 | 1,629.12 | 31.10 |
| Fulton | 53,992 | 55,531 | 495.47 | 108.97 |
| Genesee | 58,937 | 60,079 | 492.94 | 119.56 |
| Greene | 47,625 | 49,221 | 647.16 | 73.59 |
| Hamilton | 4,712 | 4,836 | 1,717.37 | 2.74 |
| Herkimer | 63,100 | 64,519 | 1,411.47 | 44.71 |
| Jefferson | 117,635 | 116,229 | 1,268.59 | 92.73 |
| Lewis | 26,957 | 27,087 | 1,274.68 | 21.15 |
| Livingston | 64,717 | 65,393 | 631.76 | 102.44 |
| Madison | 71,849 | 73,442 | 654.84 | 109.72 |
| Monroe | 749,600 | 744,344 | 657.21 | 1,140.58 |
| Montgomery | 49,642 | 50,219 | 403.04 | 123.17 |
| Nassau | 1,361,350 | 1,339,532 | 284.72 | 4,781.36 |
| Niagara | 212,652 | 216,469 | 522.36 | 407.10 |
| Oneida | 232,500 | 234,878 | 1,212.43 | 191.76 |
| Onondaga | 468,463 | 467,026 | 778.39 | 601.84 |
| Ontario | 109,561 | 107,931 | 644.07 | 170.11 |
| Orange | 377,647 | 372,813 | 811.69 | 465.26 |
| Orleans | 41,582 | 42,883 | 391.26 | 106.28 |
| Oswego | 120,146 | 122,109 | 951.65 | 126.25 |
| Otsego | 60,636 | 62,259 | 1,001.70 | 60.53 |
| Putnam | 99,042 | 99,710 | 230.31 | 430.04 |
| Rensselaer | 160,266 | 159,429 | 652.43 | 245.64 |
| Rockland | 326,037 | 311,687 | 173.55 | 1,878.63 |
| St Lawrence | 111,007 | 111,944 | 2,680.38 | 41.41 |
| Saratoga | 226,249 | 219,607 | 809.98 | 279.33 |
| Schenectady | 154,604 | 154,727 | 204.52 | 755.94 |
| Schoharie | 31,330 | 32,749 | 621.82 | 50.38 |
| Schuyler | 18,186 | 18,343 | 328.33 | 55.39 |
| Seneca | 34,833 | 35,251 | 323.71 | 107.61 |
| Steuben | 97,631 | 98,990 | 1,390.56 | 70.21 |
| Suffolk | 1,501,587 | 1,493,350 | 912.05 | 1,646.39 |
| Sullivan | 74,877 | 77,547 | 968.13 | 77.34 |
| Tioga | 49,453 | 51,125 | 518.60 | 95.36 |
| Tompkins | 104,926 | 101,564 | 474.65 | 221.06 |
| Ulster | 180,143 | 182,493 | 1,124.24 | 160.24 |
| Warren | 64,688 | 65,707 | 866.95 | 74.62 |
| Washington | 62,230 | 63,216 | 831.18 | 74.87 |
| Wayne | 91,446 | 93,772 | 603.83 | 151.44 |
| Westchester | 976,396 | 949,113 | 430.50 | 2,268.05 |
| Wyoming | 41,013 | 42,155 | 592.75 | 69.19 |
| Yates | 25,048 | 25,348 | 338.14 | 74.08 |
1 Population per square mile.