212 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Hempstead | 1 | 796,559 | 793,368 | 0.53% | 6,721 | 119 | Town |
| Hempstead | 2 | 796,559 | 790,424 | 0.53% | 6,721 | 119 | Town |
| Oyster Bay | 3 | 300,314 | 301,380 | 0.26% | 2,899 | 104 | Town |
| Oyster Bay | 4 | 300,314 | 300,294 | 0.26% | 2,899 | 104 | Town |
| North Hempstead | 5 | 238,887 | 237,639 | 0.5% | 4,462 | 54 | Town |
| North Hempstead | 6 | 238,887 | 236,834 | 0.5% | 4,462 | 54 | Town |
| Hempstead | 7 | 59,743 | 59,185 | 0.29% | 16,186 | 4 | Village |
| Hempstead | 8 | 59,743 | 58,871 | 0.29% | 16,186 | 4 | Village |
| Levittown | 9 | 50,535 | 51,266 | -0.18% | 7,419 | 7 | CDP |
| Hicksville | 10 | 44,718 | 42,468 | 0.47% | 6,584 | 7 | CDP |
| Freeport | 11 | 43,964 | 44,472 | -0.15% | 9,093 | 5 | Village |
| Freeport | 12 | 43,964 | 44,282 | -0.15% | 9,093 | 5 | Village |
| Valley Stream | 13 | 40,165 | 40,637 | -0.17% | 11,548 | 3 | Village |
| Valley Stream | 14 | 40,165 | 40,500 | -0.17% | 11,548 | 3 | Village |
| Elmont | 15 | 39,033 | 36,245 | 1.01% | 11,447 | 3 | CDP |
| East Meadow | 16 | 36,537 | 37,992 | -0.29% | 5,797 | 6 | CDP |
| Baldwin | 17 | 36,212 | 32,939 | 2.29% | 8,802 | 4 | CDP |
| Uniondale | 18 | 35,300 | 32,621 | 2.03% | 6,181 | 6 | CDP |
| Long Beach | 19 | 34,771 | 35,046 | -0.02% | 15,677 | 2 | City |
| Long Beach | 20 | 34,771 | 34,801 | -0.02% | 15,677 | 2 | City |
| Franklin Square | 21 | 32,631 | 31,537 | 0.68% | 11,330 | 3 | CDP |
| Oceanside | 22 | 31,333 | 29,850 | -0.16% | 6,356 | 5 | CDP |
| Glen Cove | 23 | 28,052 | 28,372 | -0.13% | 4,213 | 7 | City |
| Glen Cove | 24 | 28,052 | 28,231 | -0.13% | 4,213 | 7 | City |
| Plainview | 25 | 26,721 | 26,267 | 0.13% | 4,668 | 6 | CDP |
| Rockville Centre | 26 | 25,673 | 26,005 | -0.17% | 7,897 | 3 | Village |
| Rockville Centre | 27 | 25,673 | 25,895 | -0.17% | 7,897 | 3 | Village |
| Garden City | 28 | 23,045 | 23,267 | 0.23% | 4,325 | 5 | Village |
| Garden City | 29 | 23,045 | 22,782 | 0.23% | 4,325 | 5 | Village |
| Massapequa | 30 | 21,885 | 21,531 | 0.06% | 6,149 | 4 | CDP |
| Mineola | 31 | 21,419 | 20,809 | 0.54% | 11,572 | 2 | Village |
| Mineola | 32 | 21,419 | 20,849 | 0.54% | 11,572 | 2 | Village |
| North Bellmore | 33 | 21,352 | 21,422 | 0.44% | 8,150 | 3 | CDP |
| West Hempstead | 34 | 20,776 | 19,787 | 0.62% | 7,816 | 3 | CDP |
| Lynbrook | 35 | 20,766 | 20,424 | 0.4% | 10,316 | 2 | Village |
| Lynbrook | 36 | 20,766 | 20,355 | 0.4% | 10,316 | 2 | Village |
| Merrick | 37 | 20,731 | 20,594 | -0.44% | 5,565 | 4 | CDP |
| Roosevelt | 38 | 19,977 | 16,522 | 1.26% | 11,286 | 2 | CDP |
| East Massapequa | 39 | 19,618 | 18,564 | 0.19% | 5,806 | 3 | CDP |
| North Valley Stream | 40 | 19,613 | 18,712 | 1.03% | 10,516 | 2 | CDP |
| Syosset | 41 | 18,802 | 19,254 | -0.01% | 3,779 | 5 | CDP |
| North Massapequa | 42 | 18,276 | 18,239 | 0.14% | 6,104 | 3 | CDP |
| Wantagh | 43 | 17,776 | 17,548 | -0.41% | 4,641 | 4 | CDP |
| Woodmere | 44 | 17,760 | 17,020 | 0.24% | 6,881 | 3 | CDP |
| Bethpage | 45 | 17,494 | 18,012 | 0.41% | 4,892 | 4 | CDP |
| Port Washington | 46 | 17,307 | 16,232 | 0.56% | 4,120 | 4 | CDP |
| Massapequa Park | 47 | 16,889 | 17,108 | -0.2% | 7,705 | 2 | Village |
| Massapequa Park | 48 | 16,889 | 17,052 | -0.2% | 7,705 | 2 | Village |
| Seaford | 49 | 15,993 | 15,153 | 0.29% | 6,128 | 3 | CDP |
| Floral Park | 50 | 15,926 | 16,177 | -0.25% | 11,208 | 1 | Village |
| Floral Park | 51 | 15,926 | 16,124 | -0.25% | 11,208 | 1 | Village |
| Westbury | 52 | 15,886 | 15,853 | 0.09% | 6,777 | 2 | Village |
| Westbury | 53 | 15,886 | 15,810 | 0.09% | 6,777 | 2 | Village |
| Bellmore | 54 | 15,867 | 15,887 | -0.14% | 6,726 | 2 | CDP |
| New Cassel | 55 | 15,394 | 15,144 | 0.58% | 10,311 | 1 | CDP |
| South Farmingdale | 56 | 15,163 | 14,766 | 0.3% | 6,914 | 2 | CDP |
| North New Hyde Park | 57 | 14,590 | 14,952 | -0.14% | 7,328 | 2 | CDP |
| Jericho | 58 | 14,460 | 13,928 | 0.42% | 3,650 | 4 | CDP |
| Salisbury | 59 | 13,053 | 12,463 | 0.49% | 7,480 | 2 | CDP |
| North Merrick | 60 | 12,172 | 12,037 | -0.06% | 7,081 | 2 | CDP |
| Woodbury | 61 | 12,158 | 12,202 | -0.16% | 337 | 36 | Town |
| Woodbury | 62 | 12,158 | 12,186 | -0.16% | 337 | 36 | Town |
| Woodbury | 63 | 11,524 | 11,532 | 0.01% | 324 | 36 | Village |
| Woodbury | 64 | 11,524 | 11,518 | 0.01% | 324 | 36 | Village |
| Inwood | 65 | 11,497 | 9,804 | 1% | 7,208 | 2 | CDP |
| North Wantagh | 66 | 11,315 | 11,792 | -0.38% | 5,946 | 2 | CDP |
| Great Neck | 67 | 11,067 | 11,139 | -0.07% | 8,359 | 1 | Village |
| Great Neck | 68 | 11,067 | 11,105 | -0.07% | 8,359 | 1 | Village |
| New Hyde Park | 69 | 10,206 | 10,310 | -0.14% | 12,035 | 1 | Village |
| New Hyde Park | 70 | 10,206 | 10,276 | -0.14% | 12,035 | 1 | Village |
| East Rockaway | 71 | 10,058 | 10,122 | -0.06% | 9,880 | 1 | Village |
| East Rockaway | 72 | 10,058 | 10,087 | -0.06% | 9,880 | 1 | Village |
| Woodbury | 73 | 9,235 | 8,901 | 0.24% | 1,844 | 5 | CDP |
| Plainedge | 74 | 8,999 | 8,865 | 0.13% | 6,410 | 1 | CDP |
| Farmingdale | 75 | 8,578 | 8,481 | 0.29% | 7,841 | 1 | Village |
| Farmingdale | 76 | 8,578 | 8,453 | 0.29% | 7,841 | 1 | Village |
| Malverne | 77 | 8,444 | 8,567 | -0.24% | 7,981 | 1 | Village |
| Malverne | 78 | 8,444 | 8,542 | -0.24% | 7,981 | 1 | Village |
| Great Neck Plaza | 79 | 7,918 | 7,524 | 1.2% | 25,460 | 0 | Village |
| Great Neck Plaza | 80 | 7,918 | 7,445 | 1.2% | 25,460 | 0 | Village |
| Hewlett | 81 | 7,783 | 7,064 | 0.84% | 8,834 | 1 | CDP |
| Garden City Park | 82 | 7,767 | 8,087 | -0.04% | 7,822 | 1 | CDP |
| Manhasset | 83 | 7,630 | 7,792 | -0.39% | 3,199 | 2 | CDP |
| Williston Park | 84 | 7,487 | 7,590 | -0.21% | 11,960 | 1 | Village |
| Williston Park | 85 | 7,487 | 7,565 | -0.21% | 11,960 | 1 | Village |
| Cedarhurst | 86 | 7,317 | 7,375 | -0.1% | 10,840 | 1 | Village |
| Cedarhurst | 87 | 7,317 | 7,351 | -0.1% | 10,840 | 1 | Village |
| East Hills | 88 | 7,308 | 7,256 | 0.18% | 3,207 | 2 | Village |
| East Hills | 89 | 7,308 | 7,242 | 0.18% | 3,207 | 2 | Village |
| Manorhaven | 90 | 7,007 | 6,965 | 0.14% | 14,940 | 0 | Village |
| Manorhaven | 91 | 7,007 | 6,957 | 0.14% | 14,940 | 0 | Village |
| Roslyn Heights | 92 | 7,000 | 6,716 | 0.42% | 4,743 | 1 | CDP |
| Lawrence | 93 | 6,811 | 6,808 | 0.06% | 1,832 | 4 | Village |
| Lawrence | 94 | 6,811 | 6,791 | 0.06% | 1,832 | 4 | Village |
| Bayville | 95 | 6,731 | 6,791 | -0.12% | 4,626 | 1 | Village |
| Bayville | 96 | 6,731 | 6,771 | -0.12% | 4,626 | 1 | Village |
| South Valley Stream | 97 | 6,671 | 6,519 | 0.71% | 7,668 | 1 | CDP |
| Oyster Bay | 98 | 6,623 | 6,160 | -0.09% | 5,354 | 1 | CDP |
| Lakeview | 99 | 6,019 | 5,727 | 0.45% | 6,013 | 1 | CDP |
| East Farmingdale | 100 | 5,933 | 6,074 | -0.62% | 794 | 7 | CDP |
| Old Bethpage | 101 | 5,843 | 5,450 | 0.36% | 1,403 | 4 | CDP |
| Kings Point | 102 | 5,697 | 5,618 | 0.3% | 1,696 | 3 | Village |
| Kings Point | 103 | 5,697 | 5,612 | 0.3% | 1,696 | 3 | Village |
| Carle Place | 104 | 5,473 | 4,966 | 0.59% | 5,713 | 1 | CDP |
| North Hills | 105 | 5,421 | 5,465 | -0.11% | 1,966 | 3 | Village |
| North Hills | 106 | 5,421 | 5,450 | -0.11% | 1,966 | 3 | Village |
| Old Westbury | 107 | 5,114 | 4,298 | 3.31% | 597 | 9 | Village |
| Old Westbury | 108 | 5,114 | 4,293 | 3.31% | 597 | 9 | Village |
| Albertson | 109 | 5,073 | 4,930 | -0.14% | 7,471 | 1 | CDP |
| Island Park | 110 | 5,037 | 4,925 | 0.36% | 11,319 | 0 | Village |
| Island Park | 111 | 5,037 | 4,945 | 0.36% | 11,319 | 0 | Village |
| Sea Cliff | 112 | 5,014 | 5,060 | -0.2% | 4,497 | 1 | Village |
| Sea Cliff | 113 | 5,014 | 5,061 | -0.2% | 4,497 | 1 | Village |
| Flower Hill | 114 | 4,850 | 4,793 | 0.29% | 3,009 | 2 | Village |
| Flower Hill | 115 | 4,850 | 4,780 | 0.29% | 3,009 | 2 | Village |
| Glen Head | 116 | 4,827 | 4,843 | 0.19% | 2,938 | 2 | CDP |
| Searingtown | 117 | 4,646 | 4,456 | -0.39% | 4,985 | 1 | CDP |
| Herricks | 118 | 4,208 | 4,032 | -0.12% | 7,344 | 1 | CDP |
| University Gardens | 119 | 4,157 | 4,310 | -0.12% | 7,829 | 1 | CDP |
| Garden City South | 120 | 4,135 | 4,254 | 0.17% | 10,363 | 0 | CDP |
| Manhasset Hills | 121 | 3,982 | 3,808 | 0.66% | 6,738 | 1 | CDP |
| Glenwood Landing | 122 | 3,673 | 3,638 | -0.19% | 3,787 | 1 | CDP |
| Locust Valley | 123 | 3,662 | 3,485 | 0.47% | 4,042 | 1 | CDP |
| Muttontown | 124 | 3,539 | 3,488 | 0.31% | 584 | 6 | Village |
| Muttontown | 125 | 3,539 | 3,483 | 0.31% | 584 | 6 | Village |
| Great Neck Estates | 126 | 3,163 | 2,939 | 1.48% | 4,129 | 1 | Village |
| Great Neck Estates | 127 | 3,163 | 2,932 | 1.48% | 4,129 | 1 | Village |
| Port Washington North | 128 | 3,139 | 3,181 | -0.22% | 6,553 | 0 | Village |
| Port Washington North | 129 | 3,139 | 3,171 | -0.22% | 6,553 | 0 | Village |
| South Hempstead | 130 | 3,108 | 3,157 | -0.29% | 5,377 | 1 | CDP |
| Roslyn | 131 | 3,052 | 2,989 | 0.99% | 4,732 | 1 | Village |
| Roslyn | 132 | 3,052 | 2,900 | 0.99% | 4,732 | 1 | Village |
| Brookville | 133 | 2,915 | 2,962 | -0.31% | 739 | 4 | Village |
| Brookville | 134 | 2,915 | 2,959 | -0.31% | 739 | 4 | Village |
| East Norwich | 135 | 2,859 | 2,913 | 0.35% | 2,718 | 1 | CDP |
| Lake Success | 136 | 2,832 | 2,829 | 0.07% | 1,531 | 2 | Village |
| Lake Success | 137 | 2,832 | 2,820 | 0.07% | 1,531 | 2 | Village |
| Munsey Park | 138 | 2,772 | 2,809 | -0.22% | 5,372 | 1 | Village |
| Munsey Park | 139 | 2,772 | 2,800 | -0.22% | 5,372 | 1 | Village |
| Sands Point | 140 | 2,752 | 2,710 | 0.33% | 652 | 4 | Village |
| Sands Point | 141 | 2,752 | 2,704 | 0.33% | 652 | 4 | Village |
| Thomaston | 142 | 2,726 | 2,763 | -0.22% | 6,748 | 0 | Village |
| Thomaston | 143 | 2,726 | 2,754 | -0.22% | 6,748 | 0 | Village |
| East Williston | 144 | 2,606 | 2,648 | -0.27% | 4,580 | 1 | Village |
| East Williston | 145 | 2,606 | 2,639 | -0.27% | 4,580 | 1 | Village |
| Lido Beach | 146 | 2,544 | 2,866 | -0.93% | 1,503 | 2 | CDP |
| Barnum Island | 147 | 2,338 | 2,596 | -0.21% | 2,703 | 1 | CDP |
| Oyster Bay Cove | 148 | 2,257 | 2,261 | 0% | 539 | 4 | Village |
| Oyster Bay Cove | 149 | 2,257 | 2,254 | 0% | 539 | 4 | Village |
| Bellerose Terrace | 150 | 2,119 | 2,084 | -0.24% | 16,952 | 0 | CDP |
| Old Brookville | 151 | 2,104 | 2,091 | 0.19% | 528 | 4 | Village |
| Old Brookville | 152 | 2,104 | 2,084 | 0.19% | 528 | 4 | Village |
| Laurel Hollow | 153 | 1,945 | 1,948 | 0% | 658 | 3 | Village |
| Laurel Hollow | 154 | 1,945 | 1,942 | 0% | 658 | 3 | Village |
| Stewart Manor | 155 | 1,914 | 1,943 | -0.26% | 9,475 | 0 | Village |
| Stewart Manor | 156 | 1,914 | 1,937 | -0.26% | 9,475 | 0 | Village |
| Lattingtown | 157 | 1,870 | 1,898 | -0.27% | 499 | 4 | Village |
| Lattingtown | 158 | 1,870 | 1,892 | -0.27% | 499 | 4 | Village |
| Upper Brookville | 159 | 1,771 | 1,776 | 0% | 412 | 4 | Village |
| Upper Brookville | 160 | 1,771 | 1,770 | 0% | 412 | 4 | Village |
| South Floral Park | 161 | 1,752 | 1,739 | 0.17% | 18,062 | 0 | Village |
| South Floral Park | 162 | 1,752 | 1,737 | 0.17% | 18,062 | 0 | Village |
| Lawrence | 163 | 1,727 | 1,717 | -0.29% | 36 | 48 | Town |
| Lawrence | 164 | 1,727 | 1,717 | -0.29% | 36 | 48 | Town |
| Atlantic Beach | 165 | 1,715 | 1,709 | 0.12% | 3,907 | 0 | Village |
| Atlantic Beach | 166 | 1,715 | 1,705 | 0.12% | 3,907 | 0 | Village |
| East Atlantic Beach | 167 | 1,696 | 1,867 | -1.4% | 5,436 | 0 | CDP |
| Plandome | 168 | 1,487 | 1,436 | 0.68% | 3,022 | 0 | Village |
| Plandome | 169 | 1,487 | 1,434 | 0.68% | 3,022 | 0 | Village |
| Harbor Isle | 170 | 1,375 | 1,004 | 0.36% | 7,902 | 0 | CDP |
| Roslyn Estates | 171 | 1,331 | 1,313 | 0.3% | 3,046 | 0 | Village |
| Roslyn Estates | 172 | 1,331 | 1,309 | 0.3% | 3,046 | 0 | Village |
| Hewlett Harbor | 173 | 1,321 | 1,339 | -0.23% | 1,822 | 1 | Village |
| Hewlett Harbor | 174 | 1,321 | 1,335 | -0.23% | 1,822 | 1 | Village |
| Kensington | 175 | 1,205 | 1,204 | 0.08% | 4,744 | 0 | Village |
| Kensington | 176 | 1,205 | 1,200 | 0.08% | 4,744 | 0 | Village |
| Bay Park | 177 | 1,183 | 1,358 | -5.51% | 2,357 | 1 | CDP |
| Greenvale | 178 | 1,181 | 1,350 | 0.43% | 4,724 | 0 | CDP |
| Great Neck Gardens | 179 | 1,127 | 1,213 | -0.35% | 6,261 | 0 | CDP |
| Roslyn Harbor | 180 | 1,110 | 1,072 | 0.73% | 932 | 1 | Village |
| Roslyn Harbor | 181 | 1,110 | 1,068 | 0.73% | 932 | 1 | Village |
| Point Lookout | 182 | 1,083 | 1,175 | -0.82% | 3,996 | 0 | CDP |
| Baxter Estates | 183 | 1,009 | 1,026 | -0.3% | 5,544 | 0 | Village |
| Baxter Estates | 184 | 1,009 | 1,023 | -0.3% | 5,544 | 0 | Village |
| Plandome Heights | 185 | 1,009 | 1,015 | -0.1% | 5,575 | 0 | Village |
| Plandome Heights | 186 | 1,009 | 1,012 | -0.1% | 5,575 | 0 | Village |
| Saddle Rock | 187 | 1,009 | 986 | 0.4% | 3,988 | 0 | Village |
| Saddle Rock | 188 | 1,009 | 986 | 0.4% | 3,988 | 0 | Village |
| Mill Neck | 189 | 1,005 | 1,022 | -0.3% | 384 | 3 | Village |
| Mill Neck | 190 | 1,005 | 1,019 | -0.3% | 384 | 3 | Village |
| Russell Gardens | 191 | 936 | 948 | -0.21% | 5,379 | 0 | Village |
| Russell Gardens | 192 | 936 | 945 | -0.21% | 5,379 | 0 | Village |
| Woodsburgh | 193 | 879 | 887 | -0.11% | 2,601 | 0 | Village |
| Woodsburgh | 194 | 879 | 884 | -0.11% | 2,601 | 0 | Village |
| Matinecock | 195 | 853 | 861 | -0.12% | 320 | 3 | Village |
| Matinecock | 196 | 853 | 858 | -0.12% | 320 | 3 | Village |
| Plandome Manor | 197 | 824 | 799 | 0.61% | 1,520 | 1 | Village |
| Plandome Manor | 198 | 824 | 796 | 0.61% | 1,520 | 1 | Village |
| Baldwin | 199 | 772 | 814 | -0.9% | 30 | 26 | Town |
| Baldwin | 200 | 772 | 812 | -0.9% | 30 | 26 | Town |
| Saddle Rock Estates | 201 | 686 | 518 | 2.24% | 8,795 | 0 | CDP |
| Malverne Park Oaks | 202 | 605 | 535 | 1.17% | 4,654 | 0 | CDP |
| Hewlett Neck | 203 | 570 | 552 | 0.71% | 2,923 | 0 | Village |
| Hewlett Neck | 204 | 570 | 550 | 0.71% | 2,923 | 0 | Village |
| Hewlett Bay Park | 205 | 476 | 471 | 0.21% | 1,408 | 0 | Village |
| Hewlett Bay Park | 206 | 476 | 469 | 0.21% | 1,408 | 0 | Village |
| Harbor Hills | 207 | 434 | 362 | -2.03% | 3,647 | 0 | CDP |
| Centre Island | 208 | 394 | 399 | -0.25% | 361 | 1 | Village |
| Centre Island | 209 | 394 | 398 | -0.25% | 361 | 1 | Village |
| North Lynbrook | 210 | 389 | 436 | -6.49% | 4,471 | 0 | CDP |
| Cove Neck | 211 | 292 | 296 | -0.34% | 227 | 1 | Village |
| Cove Neck | 212 | 292 | 295 | -0.34% | 227 | 1 | Village |
Hempstead is the largest city in Nassau County, with a population of 796,559.
Cove Neck is the smallest city in Nassau County, with a population of 292.
There are 212 cities in Nassau County, New York.