12 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 12309 | Schenectady | 32,996 |
| 12306 | Schenectady | 27,569 |
| 12302 | Schenectady | 27,470 |
| 12304 | Schenectady | 22,027 |
| 12308 | Schenectady | 13,985 |
| 12307 | Schenectady | 7,977 |
| 12305 | Schenectady | 7,764 |
| 12053 | Delanson | 4,325 |
| 12137 | Pattersonville | 2,347 |
| 12056 | Duanesburg | 1,818 |
| 12150 | Rotterdam Junction | 665 |
| 12008 | Alplaus | 610 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 12 ZCTAs in Schenectady County, New York (US Census).