12 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 12309 | Schenectady | 33,332 |
| 12302 | Schenectady | 27,915 |
| 12306 | Schenectady | 27,735 |
| 12304 | Schenectady | 21,901 |
| 12308 | Schenectady | 14,367 |
| 12307 | Schenectady | 7,863 |
| 12305 | Schenectady | 6,922 |
| 12053 | Delanson | 4,253 |
| 12137 | Pattersonville | 2,035 |
| 12056 | Duanesburg | 2,029 |
| 12150 | Rotterdam Junction | 589 |
| 12008 | Alplaus | 427 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 12 ZCTAs in Schenectady County, New York (US Census).