108 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 11746 | Huntington Station | 67,663 |
| 11706 | Bay Shore | 65,437 |
| 11717 | Brentwood | 64,969 |
| 11772 | Patchogue | 45,345 |
| 11757 | Lindenhurst | 45,082 |
| 11743 | Huntington | 41,423 |
| 11704 | West Babylon | 39,753 |
| 11779 | Ronkonkoma | 38,654 |
| 11722 | Central Islip | 37,032 |
| 11787 | Smithtown | 34,408 |
| 11735 | Farmingdale | 32,716 |
| 11901 | Riverhead | 32,330 |
| 11731 | East Northport | 30,714 |
| 11727 | Coram | 30,058 |
| 11763 | Medford | 29,765 |
| 11720 | Centereach | 29,193 |
| 11725 | Commack | 28,735 |
| 11701 | Amityville | 27,874 |
| 11741 | Holbrook | 27,632 |
| 11967 | Shirley | 26,860 |
| 11729 | Deer Park | 26,608 |
| 11795 | West Islip | 25,650 |
| 11784 | Selden | 25,425 |
| 11776 | Port Jefferson Station | 24,119 |
| 11726 | Copiague | 22,059 |
| 11768 | Northport | 21,333 |
| 11937 | East Hampton | 21,040 |
| 11738 | Farmingville | 20,077 |
| 11747 | Melville | 19,605 |
| 11790 | Stony Brook | 19,282 |
| 11754 | Kings Park | 18,431 |
| 11798 | Wyandanch | 18,355 |
| 11946 | Hampton Bays | 17,517 |
| 11703 | North Babylon | 17,414 |
| 11733 | East Setauket | 17,304 |
| 11788 | Hauppauge | 17,017 |
| 11950 | Mastic | 16,379 |
| 11780 | Saint James | 15,617 |
| 11782 | Sayville | 15,113 |
| 11951 | Mastic Beach | 14,969 |
| 11767 | Nesconset | 14,493 |
| 11730 | East Islip | 14,168 |
| 11702 | Babylon | 14,044 |
| 11953 | Middle Island | 13,701 |
| 11968 | Southampton | 13,623 |
| 11751 | Islip | 13,501 |
| 11742 | Holtsville | 13,448 |
| 11949 | Manorville | 13,194 |
| 11961 | Ridge | 13,126 |
| 11764 | Miller Place | 12,711 |
| 11778 | Rocky Point | 12,496 |
| 11755 | Lake Grove | 12,227 |
| 11766 | Mount Sinai | 11,476 |
| 11740 | Greenlawn | 11,010 |
| 11716 | Bohemia | 10,074 |
| 11777 | Port Jefferson | 9,257 |
| 11752 | Islip Terrace | 9,164 |
| 11769 | Oakdale | 9,081 |
| 11713 | Bellport | 8,905 |
| 11792 | Wading River | 8,595 |
| 11963 | Sag Harbor | 8,445 |
| 11705 | Bayport | 8,409 |
| 11934 | Center Moriches | 7,778 |
| 11789 | Sound Beach | 7,434 |
| 11933 | Calverton | 6,975 |
| 11721 | Centerport | 6,569 |
| 11786 | Shoreham | 6,559 |
| 11971 | Southold | 6,286 |
| 11942 | East Quogue | 5,620 |
| 11940 | East Moriches | 5,462 |
| 11952 | Mattituck | 5,231 |
| 11980 | Yaphank | 5,144 |
| 11944 | Greenport | 4,799 |
| 11954 | Montauk | 4,322 |
| 11978 | Westhampton Beach | 3,969 |
| 11796 | West Sayville | 3,843 |
| 11715 | Blue Point | 3,786 |
| 11749 | Islandia | 3,568 |
| 11719 | Brookhaven | 3,519 |
| 11718 | Brightwaters | 3,181 |
| 11964 | Shelter Island | 3,129 |
| 11977 | Westhampton | 3,069 |
| 11724 | Cold Spring Harbor | 2,874 |
| 11955 | Moriches | 2,857 |
| 11935 | Cutchogue | 2,847 |
| 11941 | Eastport | 2,493 |
| 11976 | Water Mill | 2,437 |
| 11939 | East Marion | 1,564 |
| 11794 | Stony Brook | 1,425 |
| 11739 | Great River | 1,400 |
| 11957 | Orient | 1,220 |
| 11932 | Bridgehampton | 1,032 |
| 11960 | Remsenburg | 962 |
| 11958 | Peconic | 893 |
| 11930 | Amagansett | 741 |
| 11959 | Quogue | 632 |
| 11970 | South Jamesport | 563 |
| 11948 | Laurel | 535 |
| 11965 | Shelter Island Heights | 491 |
| 11975 | Wainscott | 426 |
| 11972 | Speonk | 413 |
| 11962 | Sagaponack | 344 |
| 11956 | New Suffolk | 305 |
| 11947 | Jamesport | 153 |
| 11770 | Ocean Beach | 112 |
| 6390 | Fishers Island | 53 |
| 11973 | Upton | 39 |
| 11931 | Aquebogue | 0 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 108 ZCTAs in Suffolk County, New York (US Census).