>My guess is that the only place in the US where it really does work is NYC, and then maybe even only really in Manhattan.
It's probably the case that it's the only place in the country where it's considered perfectly normal as an adult not to own a car even if you have plenty of money.
There are--especially given Zipcar/Uber/etc.--other cities where people can get buy without owning a car, especially if it's a young post-college lifestyle. But it probably requires organizing your life around not owning a car to a certain degree.
It's probably the case that it's the only place in the country where it's considered perfectly normal as an adult not to own a car even if you have plenty of money.
There are--especially given Zipcar/Uber/etc.--other cities where people can get buy without owning a car, especially if it's a young post-college lifestyle. But it probably requires organizing your life around not owning a car to a certain degree.