60.8% live in New York
9.0% live in Pennsylvania
5.1% live in New Jersey
If you don't like people
with the name rosenzweig
you should probably go to
New Hampshire (None live there).
Cool fact: New York
is the state with the most
last name rosenzweig per capita.
Check out the popularity
of the last name rosenzweig
for each state in the map below.