There are 69 zip codes in Nassau County, New York. The most populated is 11550, located in Hempstead. * 2024 populations estimated based on the latest ACS 5-year data.
Zip Code | Population | City |
|---|---|---|
| 11550 | 60,668 | Hempstead |
| 11758 | 54,201 | Massapequa |
| 11590 | 47,951 | Westbury |
| 11003 | 47,515 | Elmont |
| 11520 | 44,876 | Freeport |
| 11580 | 43,396 | Valley Stream |
| 11756 | 42,459 | Levittown |
| 11040 | 42,140 | New Hyde Park |
| 11801 | 41,967 | Hicksville |
| 11561 | 38,755 | Long Beach |
| 11554 | 36,856 | East Meadow |
| 11510 | 35,070 | Baldwin |
| 11710 | 34,950 | Bellmore |
| 11566 | 33,976 | Merrick |
| 11050 | 31,920 | Port Washington |
| 11793 | 30,865 | Wantagh |
| 11803 | 30,298 | Plainview |
| 11572 | 29,961 | Oceanside |
| 11542 | 29,095 | Glen Cove |
| 11570 | 28,262 | Rockville Centre |
| 11530 | 28,207 | Garden City |
| 11553 | 27,886 | Uniondale |
| 11001 | 26,138 | Floral Park |
| 11552 | 26,043 | West Hempstead |
| 11010 | 25,751 | Franklin Square |
| 11791 | 25,631 | Syosset |
| 11581 | 22,770 | Valley Stream |
| 11714 | 22,444 | Bethpage |
| 11762 | 22,440 | Massapequa Park |
| 11563 | 22,055 | Lynbrook |
| 11783 | 21,916 | Seaford |
| 11501 | 21,434 | Mineola |
| 11021 | 19,623 | Great Neck |
| 11575 | 19,102 | Roosevelt |
| 11030 | 17,168 | Manhasset |
| 11598 | 14,531 | Woodmere |
| 11753 | 13,087 | Jericho |
| 11576 | 12,506 | Roslyn |
| 11577 | 12,399 | Roslyn Heights |
| 11545 | 12,068 | Glen Head |
| 11596 | 10,520 | Williston Park |
| 11518 | 10,294 | East Rockaway |
| 11771 | 10,068 | Oyster Bay |
| 11023 | 9,699 | Great Neck |
| 11096 | 9,567 | Inwood |
| 11797 | 9,203 | Woodbury |
| 11024 | 9,105 | Great Neck |
| 11565 | 9,013 | Malverne |
| 11559 | 8,732 | Lawrence |
| 11558 | 8,660 | Island Park |
| 11516 | 8,450 | Cedarhurst |
| 11557 | 8,290 | Hewlett |
| 11507 | 7,111 | Albertson |
| 11560 | 7,043 | Locust Valley |
| 11709 | 6,763 | Bayville |
| 11020 | 6,145 | Great Neck |
| 11579 | 5,062 | Sea Cliff |
| 11514 | 5,040 | Carle Place |
| 11804 | 4,443 | Old Bethpage |
| 11568 | 4,272 | Old Westbury |
| 11732 | 3,546 | East Norwich |
| 11549 | 2,508 | Hempstead |
| 11548 | 2,230 | Greenvale |
| 11509 | 1,682 | Atlantic Beach |
| 11569 | 1,110 | Point Lookout |
| 11765 | 708 | Mill Neck |
| 11547 | 585 | Glenwood Landing |
| 11042 | 317 | New Hyde Park |
| 11556 | 0 | Uniondale |