18,976,457
Try using the United States Geological Survey National Mapping Information which will help in finding what county a city is in.Hope this helps.
Schenectady County.
There are 5 counties in the City of New York: Bronx County (Bronx) Kings County (Brooklyn) New York County (Manhattan) Queens County (Queens) Richmond County (Staten Island)
Putnam County...geez, dude, ever heard of google?