It's hard to categorize New York since the state contains one of the largest cities in the world and is also incredibly rural outside of a couple of urban spots. However, it is worth noting that while New York City offers people nearly everything they could want in a city, the cost of living is incredibly high. In total, New York has a population of 20.2 million, with 3.5 million being 65 or older, but again, population density varies depending on where you are.
Sales tax is 4%, but depending on what area you choose, taxes can quickly start to balloon. However, there is also no shortage of things to do.