Yeah, when it comes to New York, CoL, income, etc. vary widely; Albany, Buffalo, Binghamton, and NYC are all incredibly different. And as far as I know county level CoL isn't so great either, depending on how big your county is; even in New York, Huntington and Riverhead have vastly different local economies (to the point where there are occasionally calls to split Suffolk County in two), to say nothing of massive counties like King County, WA.