29 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 12946 | Lake Placid | 4,805 |
| 12883 | Ticonderoga | 4,781 |
| 12944 | Keeseville | 4,043 |
| 12996 | Willsboro | 1,937 |
| 12928 | Crown Point | 1,805 |
| 12870 | Schroon Lake | 1,770 |
| 12993 | Westport | 1,730 |
| 12974 | Port Henry | 1,545 |
| 12956 | Mineville | 1,538 |
| 12941 | Jay | 1,477 |
| 12997 | Wilmington | 1,280 |
| 12977 | Ray Brook | 1,186 |
| 12932 | Elizabethtown | 1,183 |
| 12960 | Moriah | 995 |
| 12950 | Lewis | 701 |
| 12936 | Essex | 693 |
| 12857 | Olmstedville | 613 |
| 12942 | Keene | 462 |
| 12852 | Newcomb | 381 |
| 12998 | Witherbee | 334 |
| 12851 | Minerva | 304 |
| 12943 | Keene Valley | 293 |
| 12855 | North Hudson | 198 |
| 12987 | Upper Jay | 188 |
| 12858 | Paradox | 167 |
| 12975 | Port Kent | 107 |
| 12961 | Moriah Center | 92 |
| 12964 | New Russia | 46 |
| 12872 | Severance | 0 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 29 ZCTAs in Essex County, New York (US Census).