There are 12 zip codes in Schenectady County, New York. The most populated is 12309, located in Schenectady. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
1230933,332Schenectady
1230227,915Schenectady
1230627,735Schenectady
1230421,901Schenectady
1230814,367Schenectady
123077,863Schenectady
123056,922Schenectady
120534,253Delanson
121372,035Pattersonville
120562,029Duanesburg
12150589Rotterdam Junction
12008427Alplaus

Zip Codes in Schenectady County, New York by Population (2024)