The Washington Post is saying 11% in the NYC metro. Dropping from15% a few years ago. But it varies locally, some areas are a lot higher. https://www.washingtonpost.com/business/interactive/2022/hou...

NYC bans short term rentals in multi family buildings already, unless the host is also staying there and not renting the whole apartment. So the short term rental restrictions probably do help, but it is hard to compare nyc to more suburban and rural areas