31 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 12534 | Hudson | 17,792 |
| 12184 | Valatie | 7,288 |
| 12037 | Chatham | 4,083 |
| 12526 | Germantown | 3,519 |
| 12075 | Ghent | 3,159 |
| 12529 | Hillsdale | 2,296 |
| 12106 | Kinderhook | 2,171 |
| 12173 | Stuyvesant | 2,038 |
| 12523 | Elizaville | 1,986 |
| 12516 | Copake | 1,859 |
| 12060 | East Chatham | 1,813 |
| 12521 | Craryville | 1,607 |
| 12565 | Philmont | 1,559 |
| 12502 | Ancram | 1,147 |
| 12125 | New Lebanon | 1,092 |
| 12029 | Canaan | 991 |
| 12136 | Old Chatham | 790 |
| 12503 | Ancramdale | 787 |
| 12174 | Stuyvesant Falls | 588 |
| 12130 | Niverville | 431 |
| 12017 | Austerlitz | 419 |
| 12517 | Copake Falls | 384 |
| 12530 | Hollowville | 283 |
| 12172 | Stottville | 211 |
| 12165 | Spencertown | 198 |
| 12195 | West Lebanon | 184 |
| 12513 | Claverack | 154 |
| 12132 | North Chatham | 133 |
| 12115 | Malden Bridge | 95 |
| 12024 | Brainard | 83 |
| 12544 | Mellenville | 33 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 31 ZCTAs in Columbia County, New York (US Census).